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[每日说英文] 留美老师带你每日说英文 第778期:乳糖不耐症
Approximately 75% of adults in the world have some form of lactose intolerance, meaning they experience unpleasant digestive symptoms from dairy products.2017-08-09 编辑:max
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[每日说英文] 留美老师带你每日说英文 第1196期:牛奶当中的乳糖
But it also contained high quantities of lactose, a sugar which is difficult to process for many ancient and modern stomachs.2019-06-10 编辑:max