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

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。

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

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。

youdao