thresher

• 指用于将谷粒与谷壳、秸秆分离的农业机械，也指一种大型远洋鲨鱼，尾部细长如鞭，可用来驱赶小鱼群以便捕食。

A noun referring to either a farm machine used for separating grain from husks and straw, or a large pelagic shark with a long, whiplike tail that helps it herd small fish for feeding.

1. Farm machineB1formal

   A machine used in agriculture to separate grain or seeds from the husks and straw.

   脱粒机

   • The farmer used a thresher to process the wheat harvest.
   • Modern threshers are much more efficient than older models.
   • The thresher separated the grain from the chaff quickly.

   同义词thrasherthreshing machine

2. Shark speciesB2formal

   A large shark found in warm seas, known for its long, whip-like tail used to herd and stun small fish.

   长尾鲨

   • The thresher shark uses its tail to round up schools of fish.
   • Divers spotted a thresher shark near the reef.
   • Thresher sharks are known for their distinctive long tails.

   同义词thresher shark