那些水波纹是万能前水的波浪冲撞沙石，经过风化之后，形成的现在的化石。

来源: Pal 于 2024-01-20 20:37:35 [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