听说好像是肉眼只能看到光色的七分之一。

来源: KKAA621 于 2014-03-05 10:17:21 [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.