The most important foodstuff crops in the world concentrate in the grass family (Gramineae), such as wheat, corn and rice.
世界最主要的粮食作物都集中在禾本科作物上，如小麦，玉米和水稻。
The most important foodstuff crops in the world concentrate in the grass family (Gramineae), such as wheat, corn and rice.
世界最主要的粮食作物都集中在禾本科作物上，如小麦，玉米和水稻。
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