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

• The switch on this kind of fire extinguisher opens up automatically.
  这种灭火器的开关能自动开启。
• 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 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 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。
• Turn band switch on the basis of actual need and choose suitable open and close speed.
  根据实际需要，转动波段开关，选择合适的开启、闭合的速度。
• 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。
• What happens when you switch on a computer?
  当你开启电脑时，它发生了什么？
• 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！
• 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。
• 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。