70-21萬年前的北京猿人，跟現代漢人長著同樣的門牙----漢人門牙跟全世界其他種族都不一樣。

來源: 無機塑料於 2020-09-07 19:26:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

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