threshing floor

例句：

1. 1. The farmer used a tractor to thresh the wheat in the field.
   农民使用拖拉机在田间脱粒小麦。
2. 2. The threshing floor was covered in straw and grains.
   脱粒场被稻草和谷物覆盖着。
3. 3. The farmer needed to thresh the wheat before it could be stored.
   农民需要在小麦被储存之前将其脱粒。