乳糖不耐受的人喝普通牛奶会拉肚子,但是有些人喝了加热的牛奶就没事,为什么? 知乎 Template




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tomski乳糖不耐受的人喝普通牛奶会拉肚子,但是有些人喝了加热的牛奶就没事,为什么? 知乎 coloring