tongueless plough

例句：

1. 1.The farmer used a tongueless plough to break the frozen soil.
   农民使用无舌犁来打破冻土。
2. 2. The new agricultural technology has made it possible for farmers to use tongueless ploughs.
   新的农业技术使得农民能够使用无舌犁。
3. 3.The tongueless plough is an innovative tool that can help farmers improve their yields.
   无舌犁是一种创新的工具，可以帮助农民提高产量。