这是在问我吗？我猜是基因和荷尔蒙变化吧。没研究过啊。

来源: nyagela 于 2015-01-02 13:17:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.