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

• 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。
• 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。
• 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。
• 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。
• Main Electric Circuit Ignition: Use the mouse pointer to turn-on the ignition switch on the dashboard.
  主电路点火：使用鼠标指针，以投票就点火开关就在仪表盘。
• What happens when you switch on a computer?
  当你开启电脑时，它发生了什么？
• 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。
• The switch on this kind of fire extinguisher opens up automatically.
  这种灭火器的开关能自动开启。
• 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。