要鍛煉。不敢咬硬東西就咬稍微硬點的。不用的話，牙質流失，就越來越鬆了

來源: Manymore 於 2016-11-30 11:33:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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