嗯，口腔内有益微生物对口腔健康很重要，不能乱杀。。

来源: ERommel 于 2014-02-16 15:27:59 [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.