雾霾是容易看的到的，水污染更甚更广更毒更久。。。。

来源: 北海01 于 2015-03-21 11:38:07 [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.