kill switch
noun/ˈkɪl swɪtʃ/
/ˈkɪl swɪtʃ/
- a switch that can quickly stop a machine working, especially if something goes wrong
停止开关：可以快速停止机器运行的开关，尤其是出现问题时 - An emergency kill switch fitted to the engine had helped save the man's life.
发动机上安装的紧急切断开关挽救了该男子的生命。
- An emergency kill switch fitted to the engine had helped save the man's life.