turn off turn no turn up turn down 区别用法

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turn off turn no turn up turn down 区别用法
turn off turn no turn up turn down 区别用法

turn off turn no turn up turn down 区别用法
turn off 是关掉的意思
turn on是打开
turn up 把声音调大
turn down 把声音掉小

关 开 开大 关小