When you turn on the switch, the circuit closes.

当你打开开关时，电路就闭合。

youdao

If we want to listen in to the music, news and broadcast, we just need to turn on the switch.

如果我们要听音乐，看新闻，听广播，我们只需要把开关打开。

youdao

Put two batteries into this box, then turn on the switch, and the panda will drive the truck.

在这个盒子里放两节电池，然后打开开关，熊猫就会开动卡车了。

youdao

Of course, to turn the on-off switch on is harder when somebody's in a coma.

当然要开启这个开关难度更大,当人陷入昏迷。

耶鲁公开课 - 死亡课程节选

And so we can't turn the switch on in the normal way.

让我们不能像平时一样正常开关。

耶鲁公开课 - 死亡课程节选

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.

想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。

麻省理工公开课 - 计算机科学及编程导论课程节选

By using a controller device called the WACI NX you could turn on the TV, turn on the XBOX, switch to the correct input on the TV, and send the PLAY command to XBMC all in 1 button press on your PSP.

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After two minutes, turn on the middle switch and leave it on for one minute.

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Turn on the right switch and leave it on for two minutes.

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