switch on
第三人称
switches on
现在进行时
switching on
过去式
switched on
过去完成时
switched on
1
打开, 启动
to make something start working usually by flipping a switch
及物动词
- As soon as she entered the room, she switched the lights on.
她一进房间，就打开了灯。
- Don't forget to switch on the dishwasher before you leave.
离开前别忘了打开洗碗机。
- He switched the car engine on and drove away.
他启动了汽车引擎然后开走了。
- He switched the radio on to listen to the news.
他打开收音机听新闻。
- We switch on the heating system when winter begins.
冬天开始时，我们会打开供暖系统。
反义词：