物質不滅定律：我死了，我的碳元素還在繼續循環。。。

來源: 乙西坪於 2012-12-19 08:01:45 [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.