英语中有 turn up and down

英语中有 turn up and down 英语中,turn on,turn off,turn down ,turn up 区别 turn down turn up turn on,turn off,turn up,turn down有什么差别? go up,go down,turn up,turn turn out/back/up/down 翻译 1.turn on turn off turn down turn up turn on/turn off/turn up/turn down/ turn off turn no turn up turn down 区别用法 turn off,turn on,turn down,turn up的用法 英语问题sametime和same time的区别和用法?turn on、turn down、turn up和turn 英语 turn upside down