clay digger

例句：

1. 1.The farmer used a clay digger to level the land for planting.
   农民使用一台翻土机平整土地进行种植。
2. 2.The clay digger was used to remove the hardened soil layer.
   翻土机被用来移除硬化的土壤层。
3. 3.The clay digger is essential for preparing the soil for planting.
   翻土机是准备土壤以便种植的关键工具。