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One day these manned space missions may reach out even further to distant planets with alien atmospheres, atmospheres that may support their own life forms. Else where in our universe on distant planets, alien air may support extraterrestrial life. J
探索与发现2014年
Accord of Sorts in Copenhagen Working late into the night, negotiators from the world's nations agreed in principle to attempt to limit the global postindustrial temperature rise to 2 degrees Celsius. Steve Mirsky reports, with Christina Reed in Cope
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COPENHAGEN, April 7 (Xinhua) -- The Copenhagen WTA tennis tournament, a 220,000 U.S. dollar outdoor hardcourt event, opened at the Farum Arena here Saturday. The international event features 24 players, including world number six women's tennis playe
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Pope Benedict XVI greets ambassadors to The Holy See during the traditional new year's address to diplomatic corps, at the Vatican, 11 Jan 2010 Pope Benedict XVI focused his annual address to ambassadors accredited to the Vatican on the environment a
VOA标准英语2010年(一月)
Back here are specimens collected by Joseph Banks in Australia, 这里放着约瑟夫班克斯在澳大利亚采集的标本， Alexander von Humboldt in Amazonia, Darwin on the Beagle voyage, and much else that is either very rare or historically im
万物简史
在汉语中，我们常常使用一些服装衣着名词来表示某一特定事物，如用裙衩指代女子，拜倒在某某石榴裙下便是此意：纨绔指代富豪家子弟：勒紧裤带过日子意味着节衣缩食：囊中羞涩暗指贫
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