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

• Many people switch on the television simply to stave off boredom over the Christmas break
  很多人打开电视仅仅是为了打发圣诞节休息期间的无聊时光而已。
• You can switch on any or both modes to collect the data.
  您可以打开任何一种模式或者同时打开两种模式以收集数据。
• 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。
• His switch on abortion cost him the election.
  他在堕胎问题上的转变使他赢得了竞选。
• He didn't bother to switch on the light.
  他懒得去开灯。
• 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。
• The switch on the kettle won't stay down.
  这个水壶上的开关按下时卡不住了。
• The switch on this kind of fire extinguisher opens up automatically.
  这种灭火器的开关能自动开启。
• Unplug the wire harness connector from the low pressure cycling clutch switch on the top of the accumulator.
  从蓄压器顶部的低压循环离合器开关上拔下线束接头。
• The next step was to pinpoint how one EGFR kinase domain would switch on another.
  下一步是精确地研究一个EGFR激酶结构域是如何开启另外一个激酶的。