英语词汇“turn on/off”的释义、区别辨析及用法例句-英语同义词词典

单词	turn on/off
例句	turn on/offturn on/off /ˌtɚn ˈɔn, ˈɔf/ phrasal verb ► turn on/off to make something that uses electricity, gas, or water start or stop working, especially by pushing a button or moving a switch: Turn on the oven and set it to 350 degrees. Save water by turning off the faucet when you are brushing your teeth. ► switch on/off to turn on or off something that uses electricity: Can you switch on the bedside lamp? Liam switched off the engine and got out of the car. ► start to make the engine on a vehicle begin working: I’m going out to start the car. The engine wouldn’t start in the cold. ► come on if something that uses gas, water, or electricity comes on, it starts working, especially because you have set a time for this to happen: What time did you set the water heater to come on? We were sitting in the dark with one candle when the lights and the radio came back on. ► go on/off if something that uses gas, water, or electricity goes on or off, it starts or stops working, especially because you have set a time for this to happen. Go on means the same as come on but it is more informal: The heat goes off at 11:00 at night. ➔ You can also use go off to say that something that makes a loud warning sound turns on suddenly: We had to leave the building because the fire alarm was going off. ► go out if a light goes out, it stops working unexpectedly or accidentally: As they entered the cave the flashlight went out.
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