那是皮脂腺的出口被堵死了。如果比较大，只能手术切除。

来源: 御用文人于 2014-05-09 09:19:23 [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.