Lactase is produced in the small intestine.

乳糖酶在小肠中产生。

Lactase helps in the digestion of lactose.

乳糖酶有助于乳糖的消化。

The enzyme lactase helps break down lactose in the body.

酶乳糖酶帮助分解体内的乳糖。

Without lactase, consuming dairy can cause discomfort.

没有乳糖酶，食用乳制品会引起不适。

People who are lactose intolerant often lack sufficient lactase.

乳糖不耐受的人通常缺乏足够的乳糖酶。

You can take lactase supplements to help digest dairy products.

你可以服用乳糖酶补充剂来帮助消化乳制品。

For those people especially the lack of lactase.

为这些人尤其是乳糖酶缺乏。

Characteristic and biological function of lactose, lactase deficiency and solving approach is expounded in this paper.

本文阐述了乳糖的特性、生理功能作用 、 乳糖酶缺乏症及解决途径.

A similar, less severe, metabolic disorder is congenital lactase deficiency.

类似的, 病症略轻为一点的代谢紊乱疾病是乳糖分解酶素缺乏症.