switch on 与turn on区别

switch on 与turn on区别 switch on 与turn on有什么区别 turn on the light switch. turn off和switch off有区别吗,是否都仅用于电器.当然还有turn on和switch on. put on与turn on 的区别 turn a switch on or off open/switch on/turn on的固定搭配 connect和switch on用法和区别 turn up和turn on的区别 turn on 和 turn up 的区别 switch off与turn off有什么区别 turn on it 和 turn it on 有什么区别