嗯，这么短，跟原读学，经常不是这里就是那里出问题。VOA用的是现在的美语，我觉得材料不错。

来源: beautifulwind 于 2012-04-19 17:15:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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