bastard grain

例句：

1. 1. The farmers are complaining about the bad grain they harvested this year.
   农民们抱怨他们今年收获的劣质谷物。
2. 2.The poor farmer had to eat his own bastard grain for a long time.
   这位贫穷的农民不得不长时间吃自己的劣质谷物。
3. 3. The government is trying to improve the quality of grains by using better farming techniques.
   政府正试图通过使用更好的农业技术来提高谷物的质量。