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李阳疯狂英语口语突破mp3 5109

9. Prevent...from... The weather prevented the flight from leaving. We must prevent Aides from spreading. This disease is a serious problem.

发表于:2018-11-28 / 阅读(106) / 评论(0)

李阳疯狂英语口语突破MP3

VOA慢速英语2013 Explorations - Voyager: The Extraordinary Story of a Flight Around the World

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发表于:2018-12-16 / 阅读(46) / 评论(0)

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Here are some cool tech tips to help you save time. First of all, when you are on a website and the text is too small, you hold down the control key and hit the plus key. With each tap, you make the text larger. You can do this on every computer and

发表于:2018-12-28 / 阅读(65) / 评论(0)

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EXPLORATIONS - The Voyager Airplane By Marilyn Christiano Broadcast: Wednesday, March 31, 2004 (THEME) ANNCR: EXPLORATIONS -- a program in Special English by the Voice of America. The Voyager in Fligh

发表于:2019-01-09 / 阅读(86) / 评论(0)

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EXPLORATIONS -- a program in Special English by the Voice of America. It was called the last great goal in flying. It would be a flight around the world without stopping or adding more fuel. Today, Frank Oliver and Doug Johnson tell about a special

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atomic fluorescence spectrometry

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