这位生物学家提出一种有关生命的新理论。 Gravity n. 万有引力；重力
force which attracts objects towards one another, especially the force that makes things fall to the ground; 1、The force of gravity pulls things towards the earth's centre. 地心吸力把物体吸向地心。
2、He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律，给人以深刻的印象。
3、Scientists can observe what they believe to be dark matter only through its gravity. 科学家要观测到他们所确信的暗物质，只能通过它的引力。 Satellite n. 卫星；人造卫星
an artificial object sent up into space to travel round the earth, used for collecting information or communicating by radio, television, etc; 1、Troop movements can be observed from space by a satellite. 藉助卫星可观察到部队的调动。
2、The equipment picked up the signal from the satellite. 这设备收到了卫星发出的信号。
3、The bbc is hooked up with Australian television by satellite. 英国广播公司通过卫星与澳大利亚电视实行联播。 Gentle adj. 温和的；文雅的
Someone who is gentle is kind, mild, and calm. 1、Joanna had a gentle retiring disposition. 乔安娜性格温柔而腼腆。
2、The dog is so gentle that I am not afraid of it. 这只狗如此温顺,因此我不感到害怕。
3、His stories are shot through with a gentle sadness. 他的小说充满了淡淡的忧伤。 Physicist n. 物理学家
expert in or student of physics 1、He came to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。 2、He is a famous physicist. 他是一位著名的物理学家。
3、 Many possibilities which are open to the physicist today were impracticable not long
ago.
今天向自然科学家提供的可能性,在不久之前还是行不通的。 Climate n. 气候
regular pattern of weather conditions (temperature, rainfall, winds, etc) of a particular region 1、I hope you will recover soon under this healthful climate.
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我希望在这种有益健康的气候下，你会很快地康复起来。
2、The small city has the climate that is changeable in the extreme. 这座小城有变化多端的气候。
3、She adapted herself quickly to the new climate. 她很快就适应了这种新气候。 Crash vt.& vi. 碰撞；坠落
to hit something, often making a loud noise or causing damage: 1、The rocks crashed (down) onto the car. 岩石轰隆一声砸在汽车上。 2、He crashed his car (into a wall). 他把汽车撞(到墙上)了。
3、The great financial crash in 1929 ruined international trade. 1929年的经济大萧条摧毁了国际贸易。 Spaceship n. 宇宙飞船
a vehicle for carrying people through space 1、The spaceship is already being counted down. 宇宙飞船已在进行倒计时。
2、The spaceship Astra which left the earth a short time ago, will be travelling three hundred miles into space.
刚刚离开地球的阿斯特拉号宇宙飞船将飞行三百英里进入太空。 3、There are five spacemen in the spaceship. 宇宙飞船里有五个飞行员。 Pull n. & vt. 拉；拖；牵引力
to hold sth firmly and use force in order to move it or try to move it towards yourself；the physical or emotional power to attract: 1、Her remark pulled me up short. 我听到她的话後一下子愣住了。
2、He has a lot of pull with the managing director. 他对总经理有很大的影响力。
3、She pulled the van to the left to avoid a dog. 她把客货车向左一闪以免轧著狗。
4、We do not notice the gravitational pull of a book because the pull of the earth is very much greater.
我们觉察不到一本书的引力是因为地球的引力要大得多的缘故。 Cheer up 感到高兴；感到兴奋
If someone cheers up, or something cheers them up, they start to feel happier: 1、I stayed up late last night, so I can't cheer up today. 我昨晚熬夜了,今天我打不起精神。
2、\Cheer up, man. Things are not as bad as you think.\振作点,老兄。情况没你想的那么严重。
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3、Try and cheer up a bit; life isn't that bad! 想办法高兴点儿,生活并不是那么糟！
Float vt. & vi. (使)浮动；（使）漂浮；n. 漂浮物
to stay on the surface of a liquid and not sink;a piece of wood or other light material that stays on the surface of water; 1、The logs floated down the river. 木头在河上放流。
2、Pay attention to your float! 注意你的浮标！
3、There wasn't enough water to float the ship. 水不够深, 船浮不起来. Now that 既然
used to give an explanation of a new situation; 1、She is much more mobile now that she has a car. 她现在出去方便多了，她有了一辆汽车。
2、Now that you are a college student, you should learn to be independent of your parents' help.
既然你已是个大学生了，就应当学着独立，不靠父母的帮助。
3、Now that you have completed your goals and objectives, it is time to do a resource assessment.
现在你制定了发展的目标和宗旨，是时候评估一下你的现有资源了。 Break out 突发；爆发
begin suddenly and sometimes violently 1、Should another world war break out, what would become of human beings? 万一另一次世界大战爆发，人类将会发生什么事？
2、When the war break out, the two countries break off their diplomatic relation. 战争爆发後,两国间断绝了外交关系。
3、A huge forest fire broke out after the lightning struck. (break out) 闪电打下来之后,突然引起一场森林大火。
4、I break out/come out in a rash (ie A rash appears on my skin) if I eat chocolate. 我一吃巧克力,就出皮疹.
5、In seeking out able personnel, we should break out of the old routine ways.We must bear in mind that this task is a \我们要破格选拔人才,不要按老规矩办事,要想到这是百年大计。 Watch out 密切注视；当心；提防
used to warn someone of danger or an accident that seems likely to happen; 1、Watch out! There's a car coming. 小心! 汽车来了。
2、The staff were asked to watch out for forged banknotes. 已经要求职员留意伪钞。
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3、Watch out here comes the law! 注意--警察来了！
Exhaust vt. 用尽；耗尽；使筋疲力尽
to make someone extremely tired; 1、The exhaust pipe shot sparks. 排气管中射出了火星。
2、She did not cry out; her tears were exhausted. 她哭不出来了，因为眼泪都已哭干了。
3、This is a trap to exhaust our limited resources. 这是一个想耗尽我们有限资源的圈套。 Extinct adj. 灭绝的；绝种的
No longer existing or living; 1、An extinct volcano. 一座死火山
2、Dinosaurs have been extinct for millions of years. 恐龙已绝种几百万年了。
3、He was one of a class rapidly becoming extinct in Wessex.
在维塞可斯那块地方上,他是属于眼看就要完全绝迹了那种行业中的一员。
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Quiz n. 测验；问答问题
a competition or game in which people have to answer questions 1、The Cambridge team were too much for the Oxford team in the quiz. 在智力竞赛中，剑桥队远胜牛津队。
2、Match your skill against the experts in this quiz. 在这一测验中你与专家较量一下技巧吧。 3、We will have a quiz tomorrow morning. 我们明天早晨进行一个小测验。 Minister n. 大臣；部长
a member of the government in Britain and many other countries who is in charge of a particular department or has an important position in it: 1、The minister has indicated that he may resign next year. 该大臣已示意他明年可能辞职。
2、The minister can only act in this matter with the sanction of Parliament. 部长只有得到国会批准才能就此事采取行动。
3、Convention dictates that a minister should resign in such a situation. 依照常规大臣在这种情况下应该辞职。 Rather than 与其；不愿
and not; instead of 1、It is a telex rather than a letter.
与其说它是一封信，不如说它是一封电传。
2、These are political rather than social matters.
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这是政治问题而不是社会问题。
3、Rather than risk breaking up his marriage he told his wife everything. 他惟恐婚姻破裂，把一切都告诉了妻子。 Baggage n. 行李
all the cases and bags that you take with you when you travel 1、Baggage loaded onto an aircraft must be evenly distributed. 飞机载运的行李应均匀放置在各个部位。 2、Our baggage has cleared customs. 我们的行李已通过海关检查。
3、Her tenant left, bag and baggage, without paying the rent. 她的房客未付房租就带著全部财物离去了。 Chat vi. & n. 聊天；闲聊
to talk to someone in a friendly informal way；a friendly, informal conversation 1、For the old lady buying the daily newspaper soon became an end in itself, since she really just wanted to chat with the shopkeeper.
那老太太每天去买报纸，不多时便觉乐在其中，因为她主要是想和店主聊天。 2、Ask him to stop by for a chat. 请他来坐坐，聊聊天。
3、It is pleasant to chat with friends, and with no chat is it more pleasant than with close friends.
和朋友聊天是愉快的，而这种情形没有比和知己的朋友聊天更为愉快。 Scenery n. 景色；风景
the general appearance of natural surroundings, especially when these are beautiful 1、The scenery was beautiful beyond description. 那风景美丽得难以形容。
2、We admired the splendor of the mountain scenery. 我们赞赏着壮丽的山景。
3、The scenery is too beautiful for words. 风景优美，非文字所能形容。
Eastward adv.& adj. 向东/ 向东的，朝东的
toward, to, or in the east 1、I went out and wandered eastward. 我出去向东信步走去。
2、The road sweeps eastward. 那条路向东伸展。
3、The hospital is on the eastward slope of the hill. 医院在小山的东坡。
Surround vt. & vi. 包围；围绕
to be all around or on all sides of someone or something 1、Troops have surrounded the town. 部队已将该城包围。
2、The house was surrounded by high walls. 房子的四周有高墙。
3、They have surrounded the town with troops.
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