open/switch on/turn on的固定搭配

open/switch on/turn on的固定搭配 turn on the light switch. switch on 与turn on区别 open和turn on的区别 turn on和open的区别是什么? 英语搭配词组1.to switch on a.an email2.to save b.on "open"3.to pri open,turned,turn,turn on,take的用法及区别 open cloSe turn on turn off的区别 turn a switch on or off 与“on”固定搭配的短语,+中文 switch on 与turn on有什么区别 打开某个电脑程序的英文 open还是turn on