pioneer crop

 
  • 先锋作物

pioneer crop的用法和样例:

例句

  1. The main measures are taking potato, spring wheat , hyacinth beans and buckwheat as the pioneer crops, rational rotation system and fertilizing in accordance with the crop require-ment of a certain productivity.
    保证新修梯田增产的主要措施是,以洋芋、春小麦、扁豆、荞麦为先锋作物,实行合理的轮作制度,并根据作物产量需求增施相应数量的化肥。
  2. Rice is the chief crop in most southern provinces.
    稻子是大多数南方省份的主要作物。
  3. The grain crop has gone down this year.
    今年的粮食作物产量下降了。
  4. We have had the biggest wheat crop ever this year.
    今年我们的小麦收获量是有史以来最好的。
  5. He was a pioneer in the use of X-rays.
    他是最早使用X光的人。
  6. Half the fruit crop froze out in the sudden cold.
    一半的水果作物在突如其来的寒流中被冻死。
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