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Hi, everybody. I've got a special guest with me this week-Macklemore. For those of you who don't share the same love[i] for hip-hop, he's a Grammy-winning artist-but he's also an advoc
奥巴马每周电视讲话:总统期待美国复苏迈出更为坚实脚步
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TED演讲:一项关于电动车的大胆计划(10)
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布什在白宫接待全美大学生体育协会冠军(2008-11-12)
President Bush Welcomes 2008 NCAA Sports Champions to the White House THE PRESIDENT: Thank you all. Please be seated. Welcome to the White House. Champions day here on the South Lawn. We appreciate yo
Ted英语演讲:Spencer Well:建立整个人类的家谱
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