chisel plow

例句：

1. 1. The farmerused a chisel plow to tillthe soil before planting.
   农民在播种前用凿子犁翻土壤。
2. 2. The oldman spent his days using a chiselplow to clear forests.
   这位老人花了很多天用凿子犁清理森林。
3. 3. The farmer's chisel plow was the only tool he had fortilling the land.
   这位农民的凿子犁是他唯一的土地耕作工具。