知识贝壳
知识贝壳
所属栏目：英汉双解生物化学
1. The uptake of liquid bycells. Most digested food is absorbed in thesmall intestine; the liquid products of di-gestion are absorbed into the blood and lymphatic systems. In plants,water andmineral salts are absorbed mainly by theroot hairs,just behind t ......（本文共 407 字 ） [阅读本文] >>