中國不止有夏代，還有唐虞，華胥國，良渚古國，特別是天文知識，農耕文化！都需要長時間積累

來源: 美國老師於 2024-02-16 17:09:34 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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