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[wmv=314,256,0]http://v.ifeng.com/documentary/discovery/201209/3d9bf856-1d3c-423e-acba-75afef5b9d38.shtml[/wmv]( W) e- I' N" c3 }# k
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沙漠是如何形成的(视频事实)$ E% {, [5 r0 e7 o8 j( w( W
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http://v.ifeng.com/documentary/discovery/201209/3d9bf856-1d3c-423e-acba-75afef5b9d38.shtml2 t& O& p! R8 p- x) v* l. k
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r# P( w- c) Q, l美国南部沙漠是如何在十年形成的事实(在2:55处开始播放)
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短短的十年,如何从一个森林茂盛的地方变成干旱沙漠的事实! |
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