题目内容
2.关 (灯)turn off.分析 turn off
解答 答案:turn off,表示关灯用turn off the light,故答案是turn off
点评 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
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