用法学习： 1. in time I. At or before the time assigned. If I don't leave now, I won't get to work in time. II. (with for) Sufficiently early. You've got here in time for tea — I was just making some. III. 总有一天. 会有一天. 迟早. As time passes. In time, it got easier to deal with her death. Hero Lyric: And then a hero comes along, With the strength to carry on, And you cast your fears aside, And you know you can survive, So when you feel like hope is gone, Look inside you and be strong, And you finally see the truth, That a hero lies in you. Oh ho, Lord knows, Dreams are hard to follow, But don't let anyone Tear them away, hey yea, Hold on there will be tomorrow in time, You find the way, hey. a stitch in time saves nine 慢工出细活 A little effort expended sooner to fix a small problem, prevents it from becoming a larger problem requiring more effort to fix later; A little preparation can eliminate the need for repairs later; consistency (achieving a set rhythm) is better than trying to rush ahead. just in time 刚刚好赶上 At the last possible moment; just before or within the assigned time. eleventh hour 最后一刻 I. (idiomatic) A point in time which is nearly too late; the last minute. Egypt had managed to bring the two sides to the brink of a deal two weeks ago, before internal political dynamics prompted the Israelis to back out at the eleventh hour. I have extricated myself so far at many eleventh hours and perhaps there is some hope in this. II. (idiomatic, usually hyphenated) Used attributively. Eleventh-hour executive changes说变就变, 临时变更 are not unique to this outgoing Administration — President Bill Clinton launched a number himself before leaving office. Etymology: From a story in the Bible of workmen hired at the eleventh hour (that is, late in the day): King James Bible, Matthew 20:6: And about the eleventh hour he went out, and found others standing idle, and saith unto them, Why stand ye here all the day idle? in the nick of time 掐着表, 卡着时间, 卡着表 (idiomatic) At the last possible moment; at the last minute. He finished writing his paper and slid it under the door just in the nick of time("slip something under the door" or "slip/slide something in the door" (i.e. through the crack below or where the door and wall meets [between there])). under the wire I. (horse racing) Across the finish line. II. 踩着线. 踩线到. (idiomatic) At the last minute; before the deadline; barely on time; nearly late. Russians had heard rumors, and foreign correspondents had obtained confirmation, that the Dictator will soon drastically tighten up 收紧 proverbially loose Bolshevik divorce laws. In a panic to get in under the wire, every Moscow mate who has recently thought of divorce was last week jamming the official bureaus. proverbial [prə'vɜ:biəl] I. (prenominal) commonly or traditionally referred to, esp as being an example of some peculiarity, characteristic, etc. II. of, connected with, embodied in, or resembling a proverb. 2. bolt-on adj supplementary or additional a bolt-on prologue. 例句: I love my cars, new and old. Family has a bit of a collection of cars so it runs through the veins( 留在血液里的东西. pimp juice running through my veins. tiger blood: It is what Charlie Sheen has running through his veins and makes him impervious to any addiction( impervious =imperviable [im'pɜ:viəs] I. 不透光的. 不透水的. 穿不透的. not able to be penetrated, as by water, light, etc.; impermeable. Incapable of being penetrated: a material impervious to water. II. 不被影响的. 不受影响的. 影响不到的. 刀枪不入的. (often postpositive; foll by to) not able to be influenced (by) or not receptive (to). Incapable of being affected: impervious to fear. impervious to argument. ). This blood makes your brain fire in a way that it may not be from this terrestrial realm. It also makes you a bi-winner ( bi-winning the action of winning both here and there. Bi-winner One who is both winning of overhere and over there. Are you bi-polar? I'm Bi-Winning. ), very strong, passionate, and its side effects may make you look like you are on drugs. "Man I got some of this Tiger Blood and I am just Bi-Winning at everything I do, especially my two blonde goddesses I have been bi-fucking.).
软件开发和问题分析的方法策略: Top-down and bottom-up are strategies of information processing and knowledge ordering, mostly involving software, but also other humanistic and scientific theories (see systemics). In practice, they can be seen as a style of thinking and teaching. In many cases top-down is used as a synonym of analysis or decomposition分析, 分解, and bottom-up of synthesis 综合法, 合成法. A top-down approach (is also known as step-wise design) is essentially the breaking down of a system to gain insight into its compositional sub-systems. In a top-down approach an overview of the system is formulated, specifying but not detailing any first-level subsystems. Each subsystem is then refined in yet greater detail, sometimes in many additional subsystem levels, until the entire specification is reduced to base elements. A top-down model is often specified with the assistance of "black boxes", these make it easier to manipulate. However, black boxes may fail to elucidate([i'lu:si,deit] To make clear; to clarify; to shed light upon.) elementary mechanisms or be detailed enough to realistically validate the model. A bottom-up approach is the piecing together of systems to give rise to grander systems, thus making the original systems sub-systems of the emergent system. In a bottom-up approach the individual base elements of the system are first specified in great detail. These elements are then linked together to form larger subsystems, which then in turn are linked, sometimes in many levels, until a complete top-level system is formed. This strategy often resembles a "seed" model, whereby the beginnings are small but eventually grow in complexity and completeness. However, "organic strategies" may result in a tangle of elements and subsystems, developed in isolation各自独立开发 and subject to local optimization as opposed to meeting a global purpose. 例句: In this series we're approaching an understanding of monads "bottom up", by trying to suss out the pattern, rather than by going "top down", starting with category theory or functional language practice. Today we'll start looking for commonalities寻找共性 beyond their being generic types. Before we get into that 在那之前 though I want to call out three small ways that I'm going to try to increase the clarity of this exposition.
The First Epistle to the Corinthians, often referred to as First Corinthians (and written as 1 Corinthians), is the seventh book of the New Testament of the Bible. The Apostle Paul and "Sosthenes our brother" wrote this epistle to "the church of God which is at Corinth", in Greece.[1Cor.1:1-2] This epistle contains some of the best-known phrases in the New Testament, including (depending on the translation) "all things to all men" (9:22), "without love, I am nothing" (13:2), "through a glass, darkly" (13:12), and "when I was a child, I spoke as a child, I felt as a child, I thought as a child" (13:11). New International Version (NIV) - Corinthians 13: 13 If I speak in the tongues of men or of angels, but do not have love, I am only a resounding gong锣 or a clanging cymbal. 2 If I have the gift of prophecy and can fathom ( fathom ['fæðəm] I. to measure the depth of, esp with a sounding line; sound. II. 看穿, 看透. 看破. to penetrate (a mystery, problem, etc.); discover the meaning of. fantom = phantom [ˈfæntəm] n. I. 鬼魅 an apparition or specter. II. an appearance or illusion without material substance, as a mirage or optical illusion. III. 幻影 a person or thing of merely illusory power, status, efficacy, etc.: the phantom of fear. adj. I. 虚幻的. 幻想中的. 想象中的 of, pertaining to, or of the nature of a phantom; illusory: a phantom ship; an amputee with a phantom limb. II. nonexistent; fictitious: phantom employees on the payroll. amputee [,æmpju'ti:] n. a person who has had a limb amputated. ) all mysteries and all knowledge, and if I have a faith that can move mountains, but do not have love, I am nothing( without love, I am nothing.). 3 If I give all I possess to the poor and give over my body to hardship that I may boast,[b] but do not have love, I gain nothing. 4 Love is patient, love is kind. It does not envy, it does not boast, it is not proud. 5 It does not dishonor others, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. 6 Love does not delight in evil but rejoices with the truth. 7 It always protects, always trusts, always hopes, always perseveres. 8 Love never fails. But where there are prophecies, they will cease; where there are tongues, they will be stilled; where there is knowledge, it will pass away. 9 For we know in part and we prophesy ( prophesy ['profi,sai] to reveal or foretell (something, esp a future event) by or as if by divine inspiration. ) in part, 10 but when completeness comes, what is in part disappears. 11 When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I put the ways of childhood behind me(KJB version: When I was a child, I spoke as a child, I understood as a child, I thought as a child: but when I became a man, I put away childish things.). 12 For now we see only a reflection as in a mirror; then we shall see face to face. Now I know in part; then I shall know fully, even as I am fully known. (KJB的版本译作: For
now we see through a glass, darkly; but then face to face: now I know
in part; but then shall I know even as also I am known. This basically means that whilst on this earth we can only have a poor glimpse of the Kingdom of God as if we are looking into a dark mirror (the 'glass') where the reflection is very poor - in other words, we do not get the complete picture of what the Kingdom of God is actually like. However, when we die and our souls are released, then, when we meet God face to face, we will know the Kingdom of God fully - 'Now I know in part; then I shall know fully, even as I am fully known.' says Paul just a few words later. Also Paul was juxtaposing([,dʒʌkstə'pəuz] to place close together or side by side. To place side by side, especially for comparison or contrast. ); making the comparison of seeing through a dim and cloudy glass to the common artist practice of "perspectus," (per-through + spect, spicere or specere-to look + tus suffix of the Latin verb-ars or skillful action as in rendering from 3-d to 2-d) viz., looking through a glass/window/transparent picture plane and tracing a clear image (portrait, buildingscape, etc.) via monocular sighting from its mimetic source. Paul knew this elementary form of picture making and representation, of tracing images on glass, was familiar to his listeners so he made the analogous but contrasting link of not seeing clearly, through say a smoke tinted window pane, to that of seeing perfectly the traced images produced by the artists of his time. Moreover, Leonardo da Vinci spoke of the ancient practice of "perspectus" being utilized in Renaissance times when he said, "There are some who look at the things produced by nature through glass, or other surfaces or transparent veils. They trace outlines on the surface of the transparent medium…". ) 13 And now these three remain: faith, hope and love. But the greatest of these is love. Paul's Use of His Freedom ch9(all things to all men): 19 Though I am free and belong to no one, I have made myself a slave to everyone, to win as many as possible. 20 To the Jews I became like a Jew, to win the Jews. To those under the law I became like one under the law (though I myself am not under the law), so as to win those under the law. 21 To those not having the law I became like one not having the law (though I am not free from God's law but am under Christ's law), so as to win those not having the law. 22 To the weak I became weak, to win the weak. I have become all things to all people so that by all possible means I might save some( all things to all people/men 无所不能, 应有尽有 Fig. [for someone or something] liked or used by all people; [for someone or something] everything that is wanted by all people. You simply can't be all things to all people. The candidate set out to be all things to all men and came off looking very wishy-washy. wishy-washy adj Informal I. 没有主见的. 没有决断的. 犹豫不决的. 不强势的. lacking in substance, force, colour, etc. lacking in decisiveness; without strength or character; irresolute. Wavering; lacking in commitment, certainty, or support; namby-pamby. Not wanting to be pressed for details, public relations gave a wishy-washy answer. II. watery; thin. washy or watery, as a liquid; thin and weak. The wishy-washy orange juice served by the cafeteria not only failed to be sweet; it was barely orange. namby-pamby [,næmbi'pæmbi] I. 软弱的, 易动感情的. 刘备似的. 容易动情的. Insipid and sentimental. sentimental or prim in a weak insipid way namby-pamby manners. II. 没筋骨的. Lacking vigor or decisiveness; spineless; wishy-washy. clinging, feeble, or spineless a namby-pamby child.). 23 I do all this for the sake of the gospel, that I may share in its blessings.
4G波段拍卖结果: Telstra, Optus and TPG Shell Out For ( 关于花钱的词组: shell out something 花大价钱, 花一大笔钱 to pay money The insurance giant estimates that in Texas alone it will have to shell out $85 million to settle these claims. How much does the company expect to shell out for a solution to the problem? Usage notes: usually said about large amounts of money. Do you think we should shell out for the extra options package? allot I. to assign as a portion; set apart: to allot three weeks for vacation. II. to appropriate for a special purpose: to allot money for a park. III. to divide or distribute by share or portion; apportion: to allot the farmland among the heirs. allot something to someone or something to give or assign something to someone or something. We will allot a share of the proceeds to charity. I allotted a small portion of the work to Fred. fork over I. To turn over soil with a gardening fork. I forked over half the allotment this morning. II. (idiomatic) To pay (implies lots of money). Valentine's Day means different things for different people. For Homer, it means forking over a hundred dollars for a dusty box of chocolates at the Kwik-E-Mart after characteristically forgetting the holiday yet again. For Ned, it's another opportunity to prove his love for his wife. Most germane to the episode, for Lisa, Valentine's Day means being the only person in her entire class to give Ralph a Valentine after noticing him looking crestfallen and alone at his desk. crestfallen adj. 心灰意冷的. 心灰意懒的. 灰心的. 耷拉脑袋的. 没有生气的. 垂头丧气的. Dispirited and depressed; dejected. dejected, depressed, or disheartened. apathy['æpəθi](antipathy = aversion 反感, 厌恶) 漠然, 冷淡, 无兴趣; 无动于衷. He was sunk in apathy心灰意懒, 心灰意冷, 灰心 after his failure. apathetic [,æpə'θɛtik] adj. having or showing little or no emotion; indifferent. before long 不久, 很快 soon I think we'll be finished with this before long. Billy will be grown-up before long. If we keep spending so much, before long we'll be without any money. germane [dʒɜ:'mein] 相关的, 切题的, 恰当的. adj. (postpositive; usually foll by to) related (to the topic being considered); akin; relevant. Related to the topic being discussed or considered. an idea germane to the conversation. The fact is not germane to this issue. He asks questions that are germane and central to the issue. fork out (transitive) To pay out, to hand over. The hard drive broke down, so I forked out five hundred dollars for a new one. cough up I. to expel from the lungs, throat, etc. by coughing. He was coughing up blood. II. (idiomatic) to pay money, to disburse, usually reluctantly or with difficulty. Do you think he'll be able to cough up the three grand by Tuesday? III. (idiomatic) to lose a competition by one's own mistakes, usually near the end of the contest. That team had the game won, but they coughed it up in the end. IV. (transitive, idiomatic) To spill, to fumble. splash out I. (transitive, intransitive) to spend a lot of money on something pleasant, but not necessary. I decided to splash out on a trip around Europe after getting a nice Christmas bonus. She splashed out $500 on breast implants. How much did you have to splash out to get that Ferrari? ) Faster 4G: Telstra parted with ( part with 甘愿掏出, 甘愿掏钱 To willingly let go of; to give up; to relinquish. I really love this new stereo system but I'm not willing to part with the cash to buy it. ) a whopping $1.3 billion for spectrum, securing two 20 MHz spectrum blocks in the 700MHz band and two 40 MHz blocks in the 2.5GHz band. It had long been rumoured that TPG would also throw its hat in the ring for 参与进来 spectrum, pointing to potential investment in its own bespoke ( bespoke 个人定制的 Individually or custom made. … others are attempting the more ambitious feat of engineering bespoke human organs from scratch. 同义词包括: custom made, specially designed, tailored量身定做的, purpose-built 专门定做的 adj made to serve a specific purpose. ) mobile service (currently TPG is an MVNO for Optus)(A mobile virtual network operator (MVNO) (or mobile other licensed operator (MOLO) in the United Kingdom) is a wireless communications services provider that does not own the radio spectrum or wireless network infrastructure over which the MVNO provides services to its customers. An MVNO enters into a business agreement with a mobile network operator to obtain bulk access to network services at wholesale rates, then sets retail prices independently. An MVNO may use its own customer service and billing support systems, marketing and sales personnel or it may employ the services of a Mobile Virtual Network Enabler (MVNE).). We know Vodafone is putting the finishing touches on the first phase of its 4G network, but details have today trickled out ( trickle out (of something) I. Lit. 渗出. 渗漏处. [for a liquid] to leak or dribble out of something or a place. The oil trickled out of the engine little by little. It trickled out and made a puddle on the floor. II. Fig. [for someone or something] to go out of something or a place, a few at a time. The dissatisfied members of the audience trickled out of the theater three and four at a time. They trickled out as the evening wore on.) from the CEO about when you can get it and more importantly, where you can get it. Staff are trialing the service right now to iron out any issues. 案件新闻: Before he died, Mr Bick told a caretaker he was having difficulties with his boyfriend, Peter Blum, and might want to change rooms. Mr Bick's family and friends told police they were suspicious of Mr Blum and his behaviour after he returned to Germany. Stephan Bick, 43, was holidaying with his boyfriend in January 2012 when he was discovered naked and unconscious in a prayer-like position in the shower. A necklace was wrapped tightly around his neck and attached to the shower tap, the inquest was told on Tuesday. Mr Bick had no defensive wounds防卫伤 to his body to indicate a struggle and he had never expressed any suicidal thoughts. Coroner Mary Jerram noted Mr Blum had not been helpful to police since his partner's death. "That's a pity as it leaves the family never being quite sure what happened," she said. She found Mr Bick was performing an auto-erotic act(Autosexuality refers to sexual orientation and sexual behavior of attraction or romance that one holds exclusively, and expresses, towards oneself. Concurrently, autoeroticism is sexual stimulation of one's self. Autoerotic interests include autogynephilia, apotemnophilia, autoerotic asphyxia, and analloeroticism. An association between autogynephilia and apotemnophilia has been hypothesized by sexology researchers.) when he lost consciousness, probably in a matter of seconds 几秒钟的时间, 几秒钟的事, 几秒钟的时间里(a matter of time 时间问题, 迟早的事 sure to happen at some time in the future If she wins next year's congressional race, it seems only a matter of time before she ends up running for the Senate. Usage notes: usually used with only or just: It's just a matter of time before prices for the newest computer come down. as a matter of course 想当然的事, 自然而然的事 normally; as a normal procedure. if something happens as a matter of course, it happens without people thinking about whether they want it or not I don't think the Welsh language should be taught in schools as a matter of course - if students want to learn it, that's their choice. The nurse takes your temperature as a matter of course. You are expected to make your own bed as a matter of course. a matter of record 记录在案的事 a fact recorded in writing. if a fact is a matter of record, you know it is true because it has been written down. His views on immigration are a matter of record. The judgment of the court is a matter of record. space someone out to cause someone to become giddy. The circus clowns just spaced me out. The hilarious spectacle spaced out the entire audience. space out 晕倒 to become giddy or disoriented. Judy spaced out during the meeting and I didn't understand a word she said. I have a tendency to space out at the end of a hard day. ). His death was accidental, she ruled.
United States Navy SEAL selection and training选训(The United States Navy's Sea, Air, Land Teams, commonly known as the Navy SEALs): Entering training to become a Navy SEAL is voluntary, and officers and enlisted men train side-by-side. To volunteer, SEAL candidates must be male, between 18 and 28 years old, and US citizens in the U.S. Navy. Occasionally, personnel from foreign armed forces allied with the United States will also be invited to take part in BUDS training. For a period of two years, of an initial seven planned原本计划是七年, members of Coast Guard were allowed to attend SEAL training until the exchange program was suspended in 2011. Waivers ( 弃权 the voluntary relinquishment, expressly or by implication, of some claim or right. clear waivers To be unclaimed by another professional club and therefore liable to be assigned to a minor-league club or released. on waivers In a state of being available for claiming by other professional clubs. waive [weiv] vb (tr) I. to set aside or relinquish to waive one's right to something. II. (Law) to refrain from enforcing (a claim) or applying (a law, penalty, etc.). III. to defer. ) are available for 17-year-olds with parental permission and on a case-by-case basis for 29- and 30-year-olds. Academically学历上, all applicants must have the equivalent of a high school education, have a composite score of at least 220 on the ASVAB and be proficient in all aspects of the English language. Medically, all potential applicants must have at least 20/75 vision视力, correctable to 20/20可矫正视力, be able to pass the SEAL Physical Screening Test and have no recent history of drug abuse. Lastly applicants must have "good moral character" as determined by his history of criminal convictions and civil citations. Assessment: Assignment to BUD/S is conditional on passing the SEAL Physical Screening Test (PST). Prospective trainees are expected to exceed the minimums. The minimum requirements最低要求 are 500 yd (460 m) swim using breast or combat sidestroke in under 12:30( Combat side stroke or CSS is a variation of the side stroke that was developed by and taught to the United States Navy SEALs. The Combat Swimmer Stroke is a relaxing and very efficient swim stroke that is an updated version of the traditional sidestroke. The CSS is a mix of sidestroke, freestyle and breaststroke. The combat side stroke allows the swimmer to swim more efficiently and reduce the body's profile in the water in order to be less likely to be seen during combat operations if surface swimming is required. The concept of CSS has been that it can be used with or without wearing swim fins (flippers), the only difference being that when wearing swim fins the swimmer's legs will always be kicking in the regular flutter kick motion without the scissor kick. This stroke is one of the strokes that can be used for prospective SEAL candidates in the SEAL Physical Screening Test (PST), which includes a 500 yard swim in 12 minutes 30 seconds to determine if the candidate is suitable to go to the Basic Underwater Demolitions/SEAL school. The sidestroke is a swimming stroke, so named because the swimmer lies on one's side with asymmetric arm and leg motion and it is helpful as a lifesaving technique and is often used for long-distance swimming. The sidestroke allows the swimmer increased endurance because, instead of working both arms and legs simultaneously in the same way, the side stroke uses them simultaneously but differently. A swimmer tired of exercising one side can turn over and use the other, the change of action helping the limbs to recover.) with a competitive time of 9:00 or less, at least 50 push-ups in 2 minutes with a competitive count of 90 or more, at least 50 sit-ups in 2 minutes with a competitive count of 85 or more, at least 10 pull-ups from a dead hang (no time limit) with a competitive count of 18 or more, run 1.5 mi (2.4 km) in running shorts and boots in under 10:30 with a competitive time of 9:30 or less. Naval Special Warfare Preparatory School (8 weeks): The training curriculum begins at Naval Special Warfare Preparatory School in Great Lakes, Illinois. Here, aspiring SEALs are given a crash course in the physical standards required to even attempt to become a SEAL. It starts with an initial Physical Screening Test and ends with a more demanding Physical Screening Test, one that includes a timed four-mile run and a timed 1,000-meter swim. The goal is to increase the SEAL candidates physical readiness做好准备 between the two tests so that they are ready to move on to Basic Underwater Demolition/SEAL (BUD/S) Training. Those unable to pass the final test are removed from the SEAL training pipeline and reclassified into other jobs in the Navy. Basic Underwater Demolition(demolition [ˌdɛmə'liʃən] n. the act of demolishing or state of being demolished.)/SEAL (BUD/S) Training (24 weeks): BUD/S is a 24-week training challenge that develops the SEAL candidates mental and physical stamina and leadership skills. Each BUD/S phase includes timed physical condition tests, with the time requirements becoming more demanding each week. BUD/S consists of a three-week orientation followed by three phases, covering physical conditioning (seven weeks), combat diving (seven weeks), and land warfare (seven weeks) respectively. Officer and enlisted personnel go through the same training program. It is designed to develop and test their stamina, leadership, and ability to work as a team. Orientation (3 weeks): BUD/S Orientation is a three-week course that introduces candidates to Coronado, the Naval Special Warfare Center and the BUD/S lifestyle. During Orientation, Navy SEAL instructors introduce candidates to BUD/S physical training, the obstacle course and other unique training aspects. This part of training is designed to prepare candidates for day one of the first phase. Phase 1: Physical Conditioning (7 weeks): The first phase of BUD/S assesses SEAL candidates in physical conditioning体能条件, water competency, teamwork and mental tenacity精神坚韧. Physical conditioning utilizes running, swimming and calisthenics and grows harder and harder as the weeks progress. Candidates will participate in weekly four mile timed runs in boots and timed obstacle courses, swim distances up to two miles wearing fins in the ocean and learn small boat seamanship. The first three weeks of basic conditioning prepares candidates for the fourth week, known by many as Hell Week. During Hell Week, candidates will participate in five and a half days of continuous training, each candidate sleeps four hours maximum but runs more than 200 miles and does physical training for more than 20 hours per day. This week is designed as the ultimate test of one's physical and mental motivation. During Hell Week, candidates will learn the value of cool headedness头脑冷静, perseverance坚毅, and above all, teamwork. For those who make it through 通过 this grueling challenge, the remaining three weeks are devoted to teaching various methods of conducting hydrographic surveys and creating a hydrographic chart. Because of its particularly challenging requirements, many candidates begin questioning their decision to come to BUD/S during First Phase, with a significant number deciding to Drop on Request (DOR)自动放弃, 自动退出. The tradition of DOR consists of dropping one's helmet liner ['lai,nər] 头盔套(棉套) ( linear ['liniə] 线性的. ) next to a pole with a brass黄铜 ship's bell ( A ship's bell 船上的铃 is used to indicate the time aboard a ship and hence to regulate the sailors' duty watches. The bell itself is usually made of brass or bronze and often has the ship's name engraved or cast on it. The ship's cook (or his staff) traditionally has the job of shining the ship's bell. ) attached to it and ringing the bell three times. Phase 2: Combat Diving (7 weeks): The diving phase of BUD/S trains, develops and qualifies SEAL candidates as competent basic combat swimmers. During this period, physical training continues and becomes even more intensive. This second phase concentrates on combat SCUBA. Candidates will learn two types of SCUBA: open circuit (compressed air) and closed circuit (100% oxygen). Also, basic dive medicine and medical skills training is provided. Emphasis is placed on long-distance underwater dives with the goal of training students to become basic combat divers(A frogman蛙人 is someone who is trained in scuba diving or swimming underwater in a tactical capacity which includes combat. Such personnel are also known by the more formal names of combat diver, or combatant diver, or combat swimmer. "Combat swimming" is often used to mean "combat diving", but, according to some, strictly speaking means surface swimming without a breathing apparatus for coastal or ship infiltration. Such actions are a historical form of "frogman" activity and an important feature of naval special operations. The term '"frogman" is often popularly used to refer to a civilian scuba diver.), using swimming and diving techniques as a means of transportation from their launch point 出发点 to their combat objective战斗目标. This is what separates SEALs from all other special operations forces. Successful second phase candidates demonstrate a high level of comfort in the water and the ability to perform in stressful and often uncomfortable environments. Candidates who are not completely comfortable in the water often struggle to succeed. Phase 3: Land Warfare (7 weeks): The land warfare phase teaches the class basic weapons, demolitions, land navigation, patrolling, rappelling, marksmanship and small-unit tactics. During third phase, the class is taught to gather and process information that will complete the overall mission. There is more classroom work that teaches map, compass, land navigation and basic weapon skill sets. These skill sets allow the class to transition from having novice skills to becoming more comfortable out in the field. Most of this training is new to the class, and the learning pace becomes faster and faster. For the final three and a half weeks of training, the class goes offshore, about 60 miles from Coronado to San Clemente Island. On the island, the class practices the skills they learned in third phase. The days become longer and more work intensive, set to 意图, 目的是 mirror the work hours spent in the field. Parachute Jump School (3 weeks): Upon successful completion of BUD/S, SEAL candidates go on to receive both static line and free-fall training at Tactical Air Operations in San Diego, CA. The accelerated 3-week program is highly regimented ( [ˈrɛdʒɪmənt] n. A military unit of ground troops consisting of at least two battalions, usually commanded by a colonel. v. I. to force discipline or order on, esp in a domineering manner. II. to form into organized groups. ), facilitated by world-class instructors, and designed to develop safe and competent free-fall jumpers in a short period of time. To complete the course, candidates must pass through a series of jump progressions, from basic static line to accelerated free fall to combat equipment – ultimately completing night descents with combat equipment from a minimum altitude of 9,500 feet. 词汇补充: Calisthenics 柔软体操运动, 用于热身简单运动, 活动开身体. ( callisthenics = calisthenics [,kælis'θɛniks] I. (used with a pl. verb) Gymnastic exercises designed to develop muscular tone and promote physical well-being: Sit-ups, trunk twists, and other calisthenics are demonstrated on the videotape. II. (used with a sing. verb) The practice or art of such exercises: Calisthenics is recommended to relax the muscles before a run. ) are a form of exercise consisting of a variety of simple, often rhythmical, movements, generally without using equipment or apparatus. They are intended to increase body strength and flexibility with movements such as bending, jumping, swinging, twisting or kicking, using only one's body weight for resistance. They are usually conducted in concert with ( in concert (with somebody/something) (slightly formal) together or in agreement with someone or something. in cooperation with someone; with the aid of someone. Several companies are working in concert to improve delivery of electricity. Our government should not act alone, but in concert with its allies. ) stretches. Calisthenics when performed vigorously and with variety can benefit both muscular and cardiovascular fitness, in addition to improving psychomotor skills such as balance, agility ([ə'dʒiliti] ) and coordination. Stretching 伸展运动 is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately flexed or stretched in order to improve the muscle's felt elasticity肌肉弹性 and achieve comfortable muscle tone. The result is a feeling of increased muscle control, flexibility and range of motion. Stretching is also used therapeutically to alleviate cramps抽筋(I cramped up. 我抽筋了刚才.). In its most basic form, stretching is a natural and instinctive activity; it is performed by humans and many animals. It can be accompanied by yawning. Stretching often occurs instinctively after waking from sleep, after long periods of inactivity, or after exiting confined spaces and areas. Increasing flexibility through stretching is one of the basic tenets of physical fitness. It is common for athletes to stretch before and after exercise in order to reduce injury and increase performance. Stretching can be dangerous when performed incorrectly. There are many techniques for stretching in general, but depending on which muscle group is being stretched, some techniques may be ineffective or detrimental, even to the point of causing permanent damage to the tendons肌腱, ligaments韧带 and muscle fiber肌纤维. The physiological nature of stretching and theories about the effect of various techniques are therefore subject to heavy inquiry. The flutter kick is a kicking movement used in both swimming and calisthenics. When swimming either front crawl or backstroke, the legs are extended straight backwards in line with the body. They are moved up and down, one leg kicking downwards (relative to the front of the swimmer's body) as the other leg moves up. The knees are slightly bent to facilitate the kicking action, but not too much in order to minimise drag created by the thighs as they move out of the shadow of the swimmer's body. An integral part of the kick is the flexing of the ankles甩脚腕; it is the flexing of the ankle that allows the foot to provide thrust. The downward moving leg provides the thrust. It is incorrect to do the flutter kick with completely straight legs. A scissor kick in martial arts is used to describe certain kicking or grabbing techniques that resemble a pair of scissors. It's also a leg movement used in swimming, such as in the sidestroke.
