生活大爆炸第二季第二十集二_3

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SSS 2011-05-23

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NPR 2009-08-01

The government reports the nation's Gross Domestic Product fell one percent in the first quarter, a far slower contraction than the previous quarter when GDP shrank 6.4%. President Obama called it progress resulting from his administration's actions

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VOA慢速英语20060815b

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微电子辞典-1

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