不能說是細菌呼吸出來的廢氣，應該是細菌開出的花。其實質與植物的花是一個道理：）

來源: 碧牡丹於 2013-10-02 07:53:27 [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.