英语中,turn on,turn off,turn down ,turn up 区别

问题描述:

英语中,turn on,turn off,turn down ,turn up 区别

turn on 有启动的意思,turn on the TV
turn off是turn off的反义词,关闭的意思,turn off the tv
turn down--关小,turn down the volume关小音量
turn up--开大,turn up the vulume