加一张感冒时某些症状的持续时间(咳嗽可能持续三周以上).不过,也许你不是感冒:

来源: 2015-04-11 18:47:52 [博客] [旧帖] [给我悄悄话] 本文已被阅读:


图片来源: http://www.nps.org.au/conditions/respiratory-problems/respiratory-tract-infections/for-individuals/prevention