food consumption ratio

• 消化道

food consumption ratio的用法和样例：

例句

1. In fact,it slows down the movement of food through the whole digestive tract.
   事实上，它通过整个消化道减缓了食物的运动。
2. In land animals, saliva contains mucus, and provides lubrication for food in the alimentary canal.
   陆上动物的唾液内有粘液，并对消化道内的食物起着润滑作用。