单词：crossotarsus flavomaculatus
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Yussouf was a sheik. He was sitting at the door of his dent in the desert. It was night. Nothing was visible in the desert. The only light was the light that came from the starts in the sky. They were twinkling in the sky. The sheik was sad at heart.
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This is Scientific American's 60-Second Science. Im Steve Mirsky. Got a minute? On February 14th, the Union of Concerned Scientists issued a call for the protection of federal scientists. The UCS press conference took place in space made available by
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President Obama is urging world leaders whore meeting in Washington today to act and not just talk about safeguarding nuclear materials. NPRs Scott Horsley has more. President Obama called nuclear terrorism one of the greatest threats to global secur
2010年NPR美国国家公共电台4月
By George Dwyer Washington 01 November 2007 The famous Madame Tussauds waxworks museum first opened in London in 1884, and has drawn curiosity seekers from around the world ever since. Over the years the presentation of lifelike wax figures has prove
VOA常速英语2007年（十一月）
My legs are hairy for a good reason, replied Charlotte. 我的腿毛茸茸是有道理的，夏洛回答说， Furthermore, each leg of mine has seven sections, the coxa, the trochanter, 而且我的每条腿有七个节，基节、转节、 the femu
夏洛的网