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- turn off polarity reversal 断开极性翻转
- Quick, turn off the gas;the milk will boil over. 快把煤气关掉，牛奶要溢了。
- Please turn off the electric power. 请把电源关掉。
- Do you mind if I turn off the light? 我把灯关掉你不反对吗?
- Turn off the lights when you leave. 离开时把灯熄掉。
- Turn off the switch when anything goes wrong with the machine. 如果机器出故障，就把开关关掉。
- He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。
- If a water-pipe bursts turn off the stopcock immediately. 水管破裂时要立即关紧旋塞。
- Have you turned off the water valve? 你关掉水阀了吗？
- Is this where we turn off the road for Dalian? 这就是我们要转往大连的路吗？
- Will you please turn off the light when you leave? 你离开时请关灯好吗？
- We turn off the mina road a few miles back. 我们离开大道好几英里了。
- He turned off the light before going out. 他出门前把灯关掉。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- We turned off the motorway at Lancaster. 我们在兰开斯特转弯离开了高速公路。
- She had enough sense to turn off the gas. 她知道关掉煤气。
- Can I ask you to turn off the air conditioner? 可不可以请你把空调关掉?
- Turn off the lights when you go to bed. 上床睡觉时要把灯关掉。
- He turned off the light and the room was in complete darkness. 他关上了灯，室内一片漆黑。
- Do me a favour and turn off that radio! 劳驾，把收音机关了吧！
