25g，确实开玩笑。可惜你人云亦云，连向心力都不会算了，还说啥科盲不科盲，哈哈

来源: JieHu- 于 2012-11-05 14:36:38 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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