shutdown switch

例句：

1. 1. The shutdown switch is located on the wall behind the computer.
   关机开关位于电脑背后的墙上。
2. 2. The engineer found the shutdown switch and turned it off immediately.
   工程师找到了关闭开关并立即关掉了它。
3. 3.When the power goes out, we need to use the shutdown switch to turn off the lights.
   当电力中断时，我们需要使用关闭开关来关闭灯光。