雾霾阻挡阳光中的紫外线，对病毒悬浮颗粒有一定的保护作用。

来源: fuz 于 2020-02-08 08:24:26 [博客] [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.

Change Ad Consent