是啊，科学很复杂，咱们要留着脑细胞8挂

来源: 幸福需要成为习惯于 2010-02-23 17:21:12 [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.