单词:haliotis planata
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THE MAKING OF A NATON - July 4, 2002: Marshall Plan By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) Throughout history, power passes fr
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to
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在外国如何打出租车Takeataxi A: Manhattan Square, please. B: All right, sir. When are you supposed to be there? A: Id like to go around the city, if you dont mind. -请到曼哈顿广常 -好的,先生。要求几点到。