challenge switch

例句：

1. 1. The new car has a challenging switch to control the engine.
   这款新车有一个挑战性的开关来控制引擎。
2. 2.The engineer challenged the system with a switch.
   工程师用一个开关挑战了系统。
3. 3.The switch was used to turn on and off the lights in the room.
   开关被用来在房间里打开和关闭灯光。