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引用第9楼mrgong于2010-08-04 17:02发表的 : NzP71t+ 一个人说话,不吵 T+$H[&j 很多人一起说话,而且靠的很近的说话,就很吵了 tZKw(<am 声音也可以传的更远,类似的道理 l&qCgw
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