这个就是检验科学态度的试金石：你如何看水便油的？

来源: 企鹅肥肥于 2011-08-18 22:36:03 [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.