[医] 马修斯氏窥器, 四叉直肠窥器

VOA慢速英语2013 EXPLORATIONS - Three man who had a big influence on modern sound and communication technologies

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Three man who had a big influence on modern sound and communication technologies Welcome to EXPLORATIONS, I'm Mario Ritter. Today, Steve Ember and Barbara Klein tell about three man who had a big influence on modern sound and communication technologi

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发表于:2019-01-03 / 阅读(42) / 评论(0)

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By Jim Malone Washington 27 February 2007 One of the big winners at this year's Academy Awards in Hollywood was former Vice President Al Gore. Gore was featured in a film about global warming called An Inconvenient Truth, which won the Oscar for bes

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2007年VOA标准英语（二月）

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