三千到四千年前氣候變涼，北方的C係南下黃河流域，夏（古蒙古人）靠青銅武器，商（古滿人）靠馬拉戰車征服多數O係人。

來源: rulvbobing 於 2025-09-26 16:13:57 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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