沒錯，有些人缺乏點物理常識哈

來源: randd2000 於 2012-10-02 15:48:03 [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.