food consumption ratio
英
美
- 消化道
双语例句
- 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。 - 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。
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