“在此之前”有多"前“？不是专家，不过中国夏商周的时候就有历法。那时候应该没有回回历吧。

来源: plainface 于 2023-01-23 18:06:07 [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.