发布时间 : 星期一 文章(完整word版)英语专业泛读第四册Unit1ScienceintheSahara更新完毕开始阅读791dff02b107e87101f69e3143323968011cf4d2
复数：tips 过去式：tipped 过去分词：tipped 现在分词：tipping 第三人称单数：tips 词条标签：CET4 CET6 考研 TOEFL
1. N-COUNT 末梢;尖端;顶端 The tip of something long and narrow is the end of it. the tip of n
EG The sleeves covered his hands to the tips of his fingers... 袖子遮住了他的手，一直盖到指尖。
She poked and shifted things with the tip of her walking stick... 她用手杖尖翻拨挪动东西。
Hurricane Andrew has passed over the southern tip of Florida. 飓风“安德鲁”已越过佛罗里达州南端。
vt. 给小费；倾斜，翻倒；装顶端
2. V-ERG 及物/不及物动词If you tip an object or part of your body or if it tips, it moves into a sloping position with one end or side higher than the other. (使)倾斜;(使)斜侧
EG He leaned away from her, and she had to tip her head back to see him... 他倾着身子避开她，她不得不把头向后歪着看他。
A young boy is standing on a stool, reaching for a cookie jar, and the stool is about to tip... 一个小男孩正站在凳子上，伸手够一个曲奇罐子，凳子眼看就要歪了。 The north pole is slightly tipped towards the sun. 北极略微向太阳倾斜。
Perturbation：可变名词A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change. （尤指不常出现的）小变化 1.扰动；一般是指系统在正常范围内的波动。它往往有一定的规律可循，并具有可预知性，为一般意义上的环境波动行为。 Pa 10 Crown：n. coronate 王冠；花冠（有时象征胜利）；王权；（某物的）顶部
vt. top（尤指通过增添成就、成功等）使圆满；为…加冕；使圆满完成；给…以荣誉
1. invest with regal power; enthrone;
EG \2. adj. be the culminating event 到绝顶的，终极的，最后的 到绝顶的；最高的； 终极的； 计划的高潮
EG \2. form the topmost part of;
arid： dry；barren；waterless不毛的；干旱的
1. ADJ-GRADED干旱的;不毛的 Arid land is so dry that very few plants can grow on it.
Eg the arid zones of the country. 该国的干旱区域
tributary英 [?tr?bj?tri] n A tributary is a stream or river that flows into a larger one. 支流；进贡国；附庸国；进贡者
adj. （需向…）进贡的；附庸的；辅助的；支流的
eg .the Napo river, a tributary of the Amazon. 纳波河，亚马孙河的一条支流 EG …a small tributary river. 一条小支流
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Extinct adj. nonextant, no longer in exsistence灭绝的；绝种的；消逝的；破灭的 词条标签：CET6 考研 TOEFL IELTS GRE EG \ \ \
EG It is 250 years since the wolf became extinct in Britain. 狼在英国已经灭绝250年了。
...the bones of extinct animals. 灭绝动物的骨骼熄灭的； 灭绝的； 绝灭的； 绝种的 翻译句：他对约阿湖的研究结果给他在这个地区的长期发现画上了一个圆满的句号。
What about his research results from Lake Yoa? Summary：His research results from Lake Yoa
IV. Pa.11-12 Difficulties he met. Pa 11
extended英 [?k?stend?d] adj. rawn-out，lengthy，prolonged，protracted延伸的；伸展的；延长的；扩大的词条标签：TOEFL
1. ADJ 形容词（时间）长的，延长的 If something happens for an extended period of time, it happens for a long period of time.
EG Obviously, any child who receives dedicated teaching over an extended period is likely to improve. 很明显，任何长期接受用心教育的孩子都有可能取得进步。 v. 延伸(extend的过去式和过去分词)；伸展；延长
1. relatively long in duration; tediously protracted; \\
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2. fully extended or stretched forth; \
\\antonym： unextended
3. great in range or scope; \
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synonym： extensive，wide
4. drawn out or made longer spatially; \
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\\synonym： elongated，lengthened，prolonged 5. beyond the literal or primary sense;
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6. large in spatial extent or range; Outlaw： n. 歹徒，亡命之徒；逃犯；被剥夺法律保护者，丧失公权者；烈马 vt. 宣布…为不合法；将…放逐；剥夺…的法律保护 歹徒； 亡命之徒； 逃犯； 无法无天
复数：outlaws 过去式：outlawed 过去分词：outlawed词条标签：CET6 IELTS smuggle vt. 偷运；私运；走私；不按规章地偷带（人或物） vi. 走私；偷带 词条标签：CET6 考研 TOEFL IELTS GRE 1. V take them there illegally or secretly. 走私;私运;偷运 Sudan： N
1. a republic in northeastern Africa on the Red Sea; achieved independence from Egypt and the United Kingdom in 1956; involved in state-sponsored terrorism bombardment：可变名词A bombardment is a strong and continuous attack of gunfire or bombing. （猛烈而持久的）炮击，轰炸
EG The city has been flattened by heavy artillery bombardments...城市已被猛烈的炮火夷为平地。
The capital is still under constant bombardment by the rebel forces. 首都仍在遭受叛军的持续轰炸。
2. N-VAR 可变名词
the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays) 一连串（想法、要求、质问或批评）
Canister： a strong metal container. It is used to hold gases or chemical substances. (储存气体或化学品的)金属罐,金属桶
EG Riot police hurled tear gas canisters and smoke bombs into the crowd. 防暴警察向人群中投掷了催泪瓦斯罐和烟幕弹。
Roulette：英 [ru:?let] n. 轮盘赌；骑缝线；旋轮线 轮盘； 轮盘赌； 一般旋轮线； 俄罗斯轮盘
IV. Pa.11-12 Summary? Difficulties he met.
V. Pa. 13-14 Other works he has done and his plans in the Sahara. Pa.14 Foolhardy：Adj. 有勇无谋的;蛮干的 If you describe behaviour as foolhardy, you disapprove of it because it is extremely risky.
EG When he tested an early vaccine on himself, some described the act as foolhardy... 当他在自己身上试验还处在初级阶段的疫苗时，有些人说他的行为是蛮干。 It was foolhardy to have refused. 拒绝是极不明智的。
1. marked by unthinking boldness; with defiant disregard for danger or consequences;
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solo英 [?s??l??] 美 [?so?lo?] n. You use solo to indicate that someone does something alone rather than with other people.独唱（曲），独奏（曲）；单飞；单人表演
adj. 单独的；独自的；独唱的；独奏的 adv. 单独地，独自地
词条标签：CET6 考研 TOEFL IELTS GRE
EG He had just completed his final solo album. 他刚刚录完了他的最后一张独唱唱片。
...Daniel Amokachi's spectacular solo goal. 丹尼尔·阿莫卡奇精彩的单刀进球 V. Pa. 13-14 summary?
Other works he has done and his plans in the Sahara.
IV. Word Exercises:
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