野人时代自然淘汰下来的基因,多少年温室里成长早就退化了.在美国住久了回国不是发烧就是拉肚子.

来源: ca2004 于 2020-01-24 22:14:52 [旧帖] [给我悄悄话] 本文已被阅读：次

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