为什么有些浮冰是蓝色的，有些是白色的呢？

来源: dididar 于 2014-03-19 01:53:00 [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.

Change Ad Consent