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

• When I'm afraid, I switch on the right.
  当我害怕时，我打开灯的开关。
• 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。
• 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。
• There's no problem here except you forgot to switch on the machine.
  这儿没问题啊，只是你忘了打开机器了。
• What happens when you switch on a computer?
  当你开启电脑时，它发生了什么？
• The switch on this kind of fire extinguisher opens up automatically.
  这种灭火器的开关能自动开启。
• If the radio still does not switch on after this procedure, proceed in accordance with the technical manual.
  如果该程序后还是不能打开收音机，请按照技术手册操作。
• Unlock the vehicle and switch on the radio again.
  将车辆解锁并再次打开收音机。
• 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。
• The switch on the kettle won't stay down.
  这个水壶上的开关按下时卡不住了。