友情頂下，雖然不懂，

來源: toploader 於 2009-03-11 06:52:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

按學數學的。和和

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