所以欧亚大陆历史上积累的各式各样的病毒远多于美洲。美洲如果一直落后且人口稀少也可躲过一劫

来源: akuan 于 2023-12-21 07:29:25 [旧帖] [给我悄悄话] 本文已被阅读：次

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