trap switcher

例句：

1. 1. The trap switcher was designed to prevent animals from getting into the house.
   陷阱开关器被设计来防止动物进入房子。
2. 2. The trap switcher was used to catch mice in the basement.
   陷阱开关器被用来捕捉地下室的老鼠。
3. 3. The trap switcher was a simple device that could be easily disassembled and cleaned.
   陷阱开关器是一个简单易拆卸和清洗的设备。