嗯, 不过也不一定。很多是布朗运动。说明了地球人的认知有限。

来源: 拓跋丝瓜于 2017-06-25 04:03:40 [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