JANE說的道理是類似的,人類也產奶,但是隻是產後幾個月,牛長期大量產奶,靠的是激素.

來源: danshui 於 2014-05-21 18:41:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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