送交者: bigcat 于 2009-01-01, 09:41:39:
回答: 当然信. 儿子一年四季穿短裤, 没见他比别人感冒多. 由 湘女 于 2009-01-01, 09:27:14:
Cold temperature and low humidity are associated with increased occurrence of respiratory tract infections
http://xys.org/forum/db/4/114/1.html
加跟贴
标题:
内容: (BBCode使用说明)