spark trap

例句：

1. 1. The scientist used a spark trap to study the behavior of lightning.
   科学家使用火花陷阱来研究闪电的行为。
2. 2. The engineer designed a spark trap to prevent fires in the factory.
   工程师设计了一个火花陷阱，以防止工厂的火灾。
3. 3. The spark trap was triggered by the sudden movement of the robot arm.
   火花陷阱被机器人手臂的突然移动触发了。