哈哈，熵（傷）不起你，看來你也是學物理的吧。。。

來源: 幼時藍精靈於 2011-04-13 16:43:34 [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.