switch command

例句：

1. 1. The switch command is used to control the flow of electricity.
   开关命令用于控制电力的流动。
2. 2. The switch command was designed to make it easier for people to use electronic devices.
   开关命令被设计成使人们更容易使用电子设备。
3. 3. The switch command has revolutionized the way we interact with technology.
   开关命令已经彻底改变了我们与技术互动的方式。