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1·The grain crop has gone down this year.

今年的粮食作物产量下降了。

2·Wheat is the second grain crop in China.

小麦是中国的第二大粮食作物。

3·Rice is the biggest grain crop in China.

水稻是我国第一大粮食作物。

4·Main grain crop has taro, corn, banana to wait.

主要粮食作物有芋头、玉米、芭蕉等。

5·Main grain crop has cassava, taro, corn, banana to wait.

主要粮食作物有木薯、芋头、玉米、芭蕉等。

6·Main grain crop has cassava, taro , corn, banana to wait.

主要粮食作物有木薯、 芋头、 玉米、 芭蕉等。

7·We should not permit them to corner, quietly, a large part of this year's grain crop.

我们不应该让他们悄悄地把今年的一大部分粮食囤积起来。

8·Sweet potato, which is non-grain crop, large output, large planting area, and high energy, is used as new type of energy crop.

非粮作物甘薯因具有产量大、种植面积广、能量产量高等特点可作为新型能源作物。

9·These species are not only important forage grasses, but also the kindred plants of grain crop with great potential of being developed.

这些植物既是重要的牧草，又有许多是重要的谷类作物的近缘种，具有极大的开发前景。

10·Phytoplankton are the microscopic plant life that zooplankton and other Marine animals eat, essentially the grain crop of the world's oceans.

浮游植物是浮游动物和其它海洋动物的食物，可以说是海洋的庄稼。