chaff cutter thrower

例句：

1. 1.The farmer used a straw harvester to gather the wheat.
   农民使用稻草收割机来收集小麦。
2. 2.The straw harvester was very efficient at separating the chaff from the grain.
   稻草收割机在分离麦壳和谷物方面非常高效。
3. 3.The straw harvester is essential for farmers who rely on crop rotation.
   对于依赖作物轮作的农民来说，稻草收割机是必需的。