用法学习: 1. as disappointing as it gets让人失望到极点了. as good as it gets好到极致了. And the risk of a new, lethal infection suddenly becoming pandemic as a result of modern transport links is as biological as it gets. 有一首歌叫做heartbroke, 歌词: With your heart broke and running from the reason, You got your heart broke, don't give up on believing in me, Heart broke, who kept me from leaving? heartbreak伤心(heartbroke) a feeling of great sadness. A broken heart (or heartbreak) is a common metaphor for the intense emotional pain or suffering one feels after losing a loved one, whether through death, divorce, breakup, physical separation, betrayal, or romantic rejection. heartbroken adj. Suffering from or exhibiting overwhelming sorrow, grief, or disappointment. 2. bore and drag: bore verb fail to interest, to talk or act in a way that makes someone lose interest and become tired: "Am I boring you?" she asked anxiously. You can also say "do I bore you?" but it's a lot more common to say "am I boring you?" n. I had to sit next to Michael at dinner - he's such a bore这人太无趣了. It's an awful bore cooking a meal every night. [+ to infinitive] It's such a bore to have to write this out all over again. He was getting bored with/of doing the same thing every day. drag noun SLANG something which is inconvenient and boring or unpleasant: Filling in forms is such a drag太无聊了! I've got to go to the dentist's again - what a drag! The first half of the film was interesting but the second half dragged (on and on) 又臭又长 (= seemed to go slowly because it was boring). You can say something dragged on and on...meaning something boring went on and on for a long time. Also it's common to say "what a drag." These are the most common usages of "drag." But you just don't say "do I drag you"..."do I bore you" is okay but not "do I drag you"...though I can't explain to you why that is from the grammatical stand. 3. behind closed doors 偷偷的, 悄悄的, 悄无声息的: It's a behind closed doors thing. You can say it publicly. caffeine [ˈkæfi:n] a substance in coffee and tea that makes you feel awake. Drinks that have had the caffeine removed are decaffeinated [di:ˈkæfɪˌneɪtɪd] or caffeine-free. dehydrate [ˌdi:haɪˈdreɪt] dehydration [ˌdi:haɪˈdreɪʃ(ə)n]. contempt [kənˈtempt] I. a feeling that someone or something is unimportant and deserves no respect. I shall treat that remark with the contempt it deserves. contempt for: I have nothing but contempt for their ridiculous opinions. with contempt: She regarded the tabloid press with absolute contempt. hold something/someone in contempt: How could she marry a man whom she holds in such utter contempt? II. legal contempt of court 藐视法庭, 蔑视法庭. III. a failure to show appropriate respect for something that other people consider to be important. contempt for 不屑一顾, 蔑视, 看不起: He showed a complete contempt for other people's feelings. their apparent contempt for international law. contemptible [kənˈtemptəb(ə)l] 可鄙的, 可憎的, 可耻的, 让人嗤之以鼻的 very bad and deserving no respect. a contemptible liar. familiarity [fəˌmɪlɪˈærəti] breeds contempt 熟人眼里无伟人 used for saying that you can stop respecting someone or something when you know them very well. 4. 凸透镜, 凹透镜: The word concave means curving in or hollowed inward, as opposed to convex. Convex means curving out or extending outward. A lens with two concave surfaces is biconcave (or just concave). If one of the surfaces is flat, the lens is plano-convex or plano-concave depending on the curvature of the other surface. A lens with one convex and one concave side is convex-concave or meniscus. It is this type of lens that is most commonly used in corrective 矫正的, 矫治的 lenses. If the lens is biconcave or plano-concave, a collimated beam of light( a beam of light一束光, collimated beam平行光束, a ray of light光线 collimate [ˈkolimeɪt] Make (rays of light or particles) accurately parallel: (as adjective collimated) a collimated electron beam电子光束. ) passing through 穿过, 透过 the lens is diverged发散, 分散 (spread); the lens is thus called a negative or diverging lens. The beam after passing through the lens appears to be emanating from a particular point on the axis in front of the lens; the distance from this point to the lens is also known as the focal length焦距, although it is negative with respect to the focal length of a converging lens. If the lens is biconvex or plano-convex, a collimated beam of light passing through the lens will be converged 汇聚, 会聚, 狙击 (or focused) to a spot behind the lens. In this case, the lens is called a positive or converging lens. The distance from the lens to the spot is the focal length of the lens, which is commonly abbreviated f in diagrams and equations.
相貌和精子质量的关系: Females have long been thought to prefer masculine-looking 男子汉气概的 men because it indicates they're fit and strong and could protect her and her offspring, as well as provide quality genetics优良基因 for potential offspring. High levels of testosterone have been found to impair sperm production, which could explain the findings. Results from previous studies into whether attractiveness and masculinity affect sperm qualities have been mixed – one Spanish study found that attractive men had better sperm quality, but an Australian study found men with lower (and more masculine) voices had poorer quality sperm. Attractiveness is a very difficult thing to measure – because different people have different taste众口难调, 大家口味不一 – so the research is fairly pointless. "Most semen is fertile有生育能力的([ˈfɜ:(r)taɪl] , I. fertile land肥沃富饶的 is able to produce good crops or plants II. 有孕育能力的 a fertile mind or situation 想象力丰富的 is able to produce good ideas or results. a child's fertile imagination. This is surely fertile ground for experimentation. III. 有生殖能力的, 有生育能力的 a fertile person, animal, or plant is able to produce babies, young animals, or new plants.) anyway, so it makes for little different whether it's a little more or less fertile," he said. "Attractiveness is such an individual thing 个人口味问题 – different people say different people are attractive. It's fairly loose research that's not very robust. I'd put it in the 'fairly useless' 基本无用的, 基本无意义的 box (too hard basket)." Instead of fretting about not having a Ryan Gosling-esque face, Professor Kovacs said you'd be better off focusing on living a healthy lifestyle to improve your sperm quality.
