有没有turn off,turn on的简单记法

有没有turn off,turn on的简单记法 turn on,turn out,turn off,turn in的意思 turn off,turn on,turn down,turn up的用法 turn up,turn off,turn on的意思? go off turn on turn turn on,turn off,turn up,turn down有什么差别? turn on 有没有呈现的意思 turn on,turn off,turn up,turn down间的区别 turn on,turn off,turn up,turn down的经典例句 一道简单的英语问题turn off;turn down;turn up;turn on 是什么意思每个都弄个例句(例句要 翻译 1.turn on turn off turn down turn up turn on/turn off/turn up/turn down/