duckfoot cultivator

例句：

1. 1.The farmer used a duckfoot plow to till the soil in his field.
   这位农民用鸭脚锄翻耕了他的田地。
2. 2. The duckfoot plow was an ancient tool that helped farmers till the land.
   鸭脚锄是一种古老的工具，帮助农民翻耕土地。
3. 3. In the old days, duckfoot plows were common tools for farmers to use in their fields.
   在旧时代，鸭脚锄是农民们经常使用的翻土工具。