动物性食物和植物性食物，食品中不仅包含蛋白质，还有其他的物质。

Animal food and vegetal food, food not only contains protein, there are other substances.

youdao

动物性食物和植物性食物，食品中不仅包含蛋白质，还有其他的物质。

Animal food and vegetal food, food not only contains protein, there are other substances.

youdao