小肠壁上的细胞吸收食物微粒。血液把所吸收的食物输送到全身。
Cells in the walls of the small intestine absorb particles of food, the blood carries this absorbed food to all parts of the body.
正常小肠黏膜，有较长绒毛，偶尔可见杯状细胞。绒毛为消化和吸收提供了很大的面积。
This is the normal appearance of small intestinal mucosa with long villi that have occasional goblet cells. The villi provide a large area for digestion and absorption.
深入到负责吸收营养的小肠上皮细胞，我们就会发现，脂肪必须经过胰脂肪酶分解后才能吸收。
To penetrate into the enterocytes which are the intestinal cell lines absorbing nutrients in the intestine the lipids have to be hydrolyzed by an enzyme name pancreatic lipase.
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