哦，谢谢伯翁。我猜想大概跟其化学成分有关。暂时我也不想再复习化学了，照您所说，先顾眼前吧：）

来源: Palmbreeze 于 2017-02-03 12:00:31 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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