老人保持口腔少菌是最重要的. 身体细菌多,消耗的VC也更多.

来源: 独行仙人于 2022-10-22 12:50:55 [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.