先学2+2，然后应用到苹果，鸭梨等，发现是普世真理。

来源: 印象于 2013-06-25 07:23:17 [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.

Change Ad Consent