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发表于:2018-11-30 / 阅读(101) / 评论(0)

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So over the past few centuries, microscopes have revolutionized our world. 过去的几个世纪，显微镜改变了世界。 They revealed to us a tiny world of objects, life and structures that are too small for us to see with our naked eyes. 它揭

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This is Scientific American's 60-Second Science,I'm Christopher Intagliata,got a minute？ Benny Goodman earned his title,the king of swing as a virtuoso of the clarinet,but now a computer in upstate New York has learned to rip him off.Researchers at

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Mad World: 80s New Wave Rock Acts in Their Own Words Music fans have already seen songs of the 1960s get their due and the sounds of the 1970s have been endlessly analyzed as well. But what about the 1980s? The authors of a new book are celebrating t

发表于:2019-01-14 / 阅读(54) / 评论(0)

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学英语单词

1-butyl-3-tolylsulfonylurea

ball grinding machine

be stuck

blow people away

bodamine

bolzano-weierstress theorem