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maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

发表于:2018-12-01 / 阅读(239) / 评论(0)

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发表于:2018-12-04 / 阅读(120) / 评论(0)

大学英语自学教程上

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(woman) In our lab today, we'll be testing the hypothesis that babied can count as early as five months of age. The six babies here are all less than six months old. You'll be watching them on closed-circuit TV and measuring their responses. The exp

发表于:2018-12-05 / 阅读(161) / 评论(0)

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生活大爆炸第一季第二集_2The Big Bran Hypothesis

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发表于:2018-12-07 / 阅读(124) / 评论(0)

生活大爆炸第一季

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New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了，想救人家

发表于:2018-12-07 / 阅读(222) / 评论(0)

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发表于:2018-12-19 / 阅读(115) / 评论(0)

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商务口语第67讲:制造工程(2)

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

发表于:2018-12-26 / 阅读(150) / 评论(0)

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发表于:2018-12-27 / 阅读(126) / 评论(0)

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人的一生中，将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时；即使成年后，每夭至少要睡 6～7小时。不管睡眠时间长短如何，睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(113) / 评论(0)

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发表于:2018-12-30 / 阅读(190) / 评论(0)

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Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(185) / 评论(0)

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发表于:2019-01-03 / 阅读(198) / 评论(0)

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SSS 2009-05-07

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(139) / 评论(0)

Scientific American(五)月

VOA标准英语2010年-CPR Works Without Mouth-to-Mouth

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

发表于:2019-01-13 / 阅读(154) / 评论(0)

VOA标准英语2010年(七)月

Del Bosque warns of Italian threat in Euro 2012

MADRID, Dec. 2 (Xinhua) -- Spain coach Vicente del Bosque was cautious about his side's chances of success in the 2012 European Championship after the draw was held in Kiev on Friday. Spain travel to the competition, which will be held in Poland and

发表于:2019-02-18 / 阅读(108) / 评论(0)

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What is going on in this baby's mind? If you'd asked people this 30 years ago, most people, including psychologists, would have said that this baby was irrational, illogical, egocentric -- that he couldn't take the perspective of another person or un

发表于:2019-02-23 / 阅读(104) / 评论(0)

英语语言学习

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发表于:2019-03-04 / 阅读(169) / 评论(0)

托福英语

生活大爆炸第一季第二集_3The Big Bran Hypothesis

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发表于:2019-03-16 / 阅读(376) / 评论(0)

生活大爆炸第一季

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allyl salicylate

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aquatic safety

auxiliary survey vessel

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bolometric instrument

camellia japoinica