大拇指指甲蓋上白斑，是何緣故？

來源: mermaid_ca 於 2012-04-30 13:32:53 [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.