Rather than being caused by an overenthusiastic immune system, milk intolerance, for example, results from a lack of the enzyme the body needs to break down lactose, the main sugar in milk.
举例来说,不耐乳症不是由免疫系统的过分热情引起的,而是缺乏一种酶的结果,而身体需要这种酶来分解牛奶中主要的糖——乳糖。
Rather than being caused by an overenthusiastic immune system, milk intolerance, for example, results from a lack of the enzyme the body needs to break down lactose, the main sugar in milk.
举例来说,不耐乳症不是由免疫系统的过分热情引起的,而是缺乏一种酶的结果,而身体需要这种酶来分解牛奶中主要的糖——乳糖。
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