ploughshare

例句：

1. 1. The farmer used a ploughshare to till the soil.
   农民用犁头翻土。
2. 2.The old man had a worn-out plowshare that he couldn't afford to replace.
   这位老人有一个磨损的犁柄，他买不起新的。
3. 3.The farmer was using his plowshare to prepare the fields for planting.
   农民正在使用他的犁头准备田地种植。