动词短语
中文翻译:切换脉冲
同义词:
['switch on', 'turn on', 'activate']
例句:
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1.Please switch the light off before leaving the room.
请在离开房间前关掉灯。
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2.The new software allows you to switch on and off at will.
这款新软件可以让你随心所欲地开启和关闭。
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3.When the alarm goes off, he switches it back on immediately.
警报响起时,他立刻将其关闭。