可月亮上有海平面吗？高度的基准是什么？

来源: 半缘心于 2012-05-07 01:19:37 [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.