人的體液象汗水是鹹的。估計是和人類從海中生物進化而來有關。本人瞎猜湊熱鬧。

來源: bzonline123 於 2012-09-10 20:53:40 [舊帖] [給我悄悄話] 本文已被閱讀：次

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