rat-trap

例句：

1. 1.The hunter set up his trap to catch the big mouse.
   猎人设置了陷阱来捕捉那只大老鼠。
2. 2.The children were playing with their rat-trap when a rat suddenly appeared.
   孩子们正在用他们的捕鼠器玩耍时，一只老鼠突然出现了。
3. 3. The farmer used a rat-trap to catch the rats that were damaging his crops.
   农民使用捕鼠器来捕捉那些破坏他庄稼的老鼠。