switch on

英 [swɪtʃ ɒn]

美 [swɪtʃ ɑːn]

打开，开启（电灯等）

化学

柯林斯词典

• PHRASAL VERB 打开,开启(电灯等)
  If youswitch ona light or other electrical device, you make it start working by operating a switch.
  1. She emptied both their mugs and switched on the electric kettle...
     她把他们俩的杯子倒空，烧上了电水壶。
  2. He pointed the light at his feet and tried to switch it on.
     他把灯对准自己的脚，试图打开它。

英英释义

verb

• cause to operate by flipping a switch
  1. switch on the light
  2. turn on the stereo
  Synonym:turn on

双语例句

• This is done as insert the plug, and switch on the power.
  按下述方法进行：插上插头，打开电源。
• Using a tour-position selector switch on the control box, each gunner can fire up to four missiles consecutively.
  使用在控制盒子上的一个循环-位置选择开关，每个炮手能连续地发射四枚导弹。
• Don't worry; he'll have forgotten to switch on the answering machine.
  别担心；他大概忘了把电话答录机打开。
• He didn't bother to switch on the light.
  他懒得去开灯。
• Every time I switch on the TV, there's football. It's overkill
  我每次打开电视都是足球节目，真是受不了。
• He snatched up the receiver and his free hand groped for the switch on the bedside lamp
  他一只手抓起电话听筒，另一只手去摸床头灯的开关。
• Current flowing in one circuit can switch on and off a current in a second circuit.
  当电流在一个线路中流动同时关闭另一个线路。
• She emptied both their mugs and switched on the electric kettle
  她把他们俩的杯子倒空，烧上了电水壶。
• What happens when you switch on a computer?
  当你开启电脑时，它发生了什么？
• When you switch on the light in the bathroom, the extractor fan switch on.
  当你打开浴室里的灯时，换气扇就启动了。