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。
• 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。
• The switch on this kind of fire extinguisher opens up automatically.
  这种灭火器的开关能自动开启。
• You switch on, wait until the screen turns green, push in the disk and there you are!
  你打开开关，等屏幕变成绿色，把磁盘推进去就行了！
• 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。
• 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。
• 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。
• Unlock the vehicle and switch on the radio again.
  将车辆解锁并再次打开收音机。
• 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。
• 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。