释义 |
小肠xiǎocháng肠的一部分,上端跟胃相连,下端跟大肠相通,比大肠细而长,约占全肠五分之四,分十二指肠、空肠、回肠三部分。主要作用是完成消化和吸收,并把食物的渣滓输送到大肠。{small intestine; part of the intestine that is linked at its upper end to the stomach and at the lower end to the large intestine, and is slenderer and longer than the large intestine, making up four-fifths of the whole intestines and consisting of the duodenum, jejunum and ileum, its main functions being digesting food, absorbing digested nutrients and conveying food dregs to the large intestine} |