最後一個笑話的作者估計化學不太好，醋的化學成分是乙酸，不是乙酸乙酯。

來源: WriteItOut 於 2010-04-15 00:10:28 [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.