plow base

例句：

1. 1. The farmer used a plow to break up the frozen soil.
   农民用犁破冰。
2. 2.The plow base is where the blade of the plow meets the ground.
   犁基座是犁刀与地面接触的地方。
3. 3. The plow base was made of wood and had a wooden handle.
   犁基座由木头制成，有一个木柄。