看來治理大氣汙染的最好設備是人肺。為人民服霧！

來源: 墨遊於 2013-12-05 07:09:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.