单词:tripterospermum lilungshanensis
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U.S. President Barack Obama is getting generally positive reviews as he makes his first overseas trip as president. U.S. President Barack Obama during a press conference at the end of the G20 Summit in London, 02 Apr 2009 As Mr. Obama made his inter
You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W
SCIENCE IN THE NEWS -July 9, 2002: Tuberculosis By Oliver Chanler VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with Science in the News, a VOA Special English program about recen
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Too Cold to Exercise? 天冷不宜锻炼? D: WooIt's freezing out. Y: Come on, It's not that cold. D: Sure it is. Yael.I guess there's just no way I can go jog ging today. Y: Oh, so that's what this all about. D: Not really. What if my lungs freeze
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