科学美国人60秒 SSS 2013-10-25

Called grass hopper mice have an unusual favorite food. Not grass hopper, no, they really like scorpions. You can see theproblem. But the mice shrug off any scorpion things(stings).And the new study shows how. Researcher injected common house mice of

发表于:2018-12-24 / 阅读(156) / 评论(0)

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万花筒 2011-05-25&05-26 阿姆斯特朗再遭队友举证服用违禁药物

A teammate is accusing the cycling legend of taking performance-enhancing drugs while training for the Tour de France. Tyler Hamilton told 60 Minutes on Sunday that he witnessed Armstrong inject banned substances at a charge on Armstrong has repeated

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万花筒2011年

2007年VOA标准英语-Adult Stem Cells Help Heart Attack Patients

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(161) / 评论(0)

2007年VOA标准英语（三月）

TED演讲:树木之间如何交流(4)

The first day of the experiment, we got out to our plot 实验的第一天，我们来到了实验地点， and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现，把我们赶跑了。 And I had no bear spray. But

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在全球用玄武岩处理二氧化碳排放

BBC News Scientists think they have found a smart way to constrain carbon dioxide emissions - just turn them to stone. The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. Reactions with

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英语新闻

【跟着美剧练发音】美剧美语797期

THE RED QUEEN:Page（男侍者0. RABBIT:Oh dear. THE RED QUEEN:And what is this? RABBIT:It...Its who,Majesty.This is ,um... THE RED QUEEN:Um? ALICE:From Umbrage. THE RED QUEEN:What happened to your clothes? ALICE:I overgrew them.Ive been growing an a

发表于:2019-02-23 / 阅读(162) / 评论(0)

跟着美剧练发音

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学英语单词

Alsithermic reducing agent

analog data-processing system