中国不止有夏代，还有唐虞，华胥国，良渚古国，特别是天文知识，农耕文化！都需要长时间积累

来源: 美国老师于 2024-02-16 17:09:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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