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SSS 2009-03-20

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

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Scientific American(三)月

2006年VOA标准英语-Does North Korea's Taepodong-2 Ballistic Missil

By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe

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2006年VOA标准英语（七月）

TED演讲：揭露海底惊奇(2)

But I want to jump up to shallow water now and look at some creatures that are positively amazing. 不过我现在还是想说说浅水里的世界，来看看那些神奇的生物。 Cephalopods -- head-foots. As a kid I knew them as calamari, mostl

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TED演讲教育篇

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A: Ello-hay, Aniel-day eaking-spay, ow-hay ay-may I elp-hay ou-yay B: Ay-hay, Aniel-day, Ulie-jay ere-hay A: Ay-hay, Ulie-jay, ow-hay are ou-yay? B: Actually, I m eeling-fay ite-quay ill otday-tay. A: Im orry-say oo-tay ear-hay, at-they. ut-way is on

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acid-digestion soil

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dissolution of treaty

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