點解我洗完牙唔夠一個月又流牙血???
係埋個牙醫清牙石清得唔乾淨???
係埋又要洗多次????
收錄日期: 2021-04-12 22:44:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070121000051KK02458