送交者: 一默 于 October 09, 2006 20:56:37:

回答: to explain moon's same side facing earth 由 clriufs3 于 October 09, 2006 18:55:19:

Following the link, you can read all the 100s.

• 《你知道吗？——现代科学中的１００个问题》

• should read the 25th--sorry. - 一默 (0 bytes) 22:09:45 10/09/06 (0)

加跟贴