1·Wheeler said that scientists have not yet studied the yam's nutritional value to see what benefits the plant offers as a food crop.
怀勒说，科学家尚未对这种山药的营养成分及食用益处进行研究。
2·Rice is an important food crop.
稻是重要的粮食作物。
3·Rice is the major food crop in China.
水稻是我国第一大粮食作物。
4·Corn is an important food crop and forage crop.
玉米是重要的粮食作物和饲用作物。
5·Rice is the staple food crop in Zhejiang province.
水稻是浙江省主要粮食作物。
6·Quinoa is a traditional food crop in the Andes Mountains.
藜麦是安第斯山脉的一种传统粮食作物。
7·Maize is main feed, industrial materials and food crop in China.
玉米是我国主要饲料、工业原料和粮食作物。
8·IT IS the world's fourth-most-important food crop, after maize, wheat and rice.
在世界的粮食作物中，它的重要性仅次于玉米、小麦和稻谷。
9·Maize is the most important food crop for millions of people in the world.
玉米是全世界千百万人最主要的粮食。
10·Maize eis the most important food crop for millions of people in the world.
玉米是全世界千百万人最主要的粮食。