They've switched off the power.

他们关掉了电源。

She switched off the coffee-machine.

她关掉了咖啡机。

Please ensure (that) all lights are switched off.

请务必将所有灯都关掉。

Audi's screen can be switched to TV reception.

奥迪的屏幕可以切换到电视接收模式。

His phone must be switched off.

他的电话一定是关机了。

She switched on the bedside lamp.

她打开了床头灯。

People get really switched on by this music.

这首乐曲确实令人激情勃发。

His focus switched to the little white ball.

他的焦点转移到了那个小白球上。

My mother's interest had switched to my health.

我母亲的兴趣已转移到我的健康上来了。

The dates of the last two exams have been switched.

最后两门考试的日期掉换了。

I exited the database and switched off the computer.

我退出数据库后关掉了计算机。

A single red LED shows that the power is switched on.

单支红色发光二极管表示电源已接通。

In half an hour, they'd switched the tags on every cable.

半个小时内，他们换了每根电缆的标签。

The block becomes magnetic when the current is switched on.

一通上电流，这块板就会有磁性。

She emptied both their mugs and switched on the electric kettle.

她倒空了他们俩的杯子，然后打开了电水壶。

He took his flashlight from his jacket pocket and switched it on.

他从上衣口袋里拿出手电筒并将其打开。

The investigation has suddenly switched to a new line of inquiry.

调查突然改用一种新的探询方法。

Passengers must not smoke until the signs have been switched off.

指示灯未熄灭之前乘客不许抽烟。

There was a little portable television switched on behind the bar.

吧台后有一台便携式小电视机开着。

It was getting dark so I switched on the light and drew the curtains.

天快黑了，我打开灯，拉上了窗帘。

We're trying to get people switched on to the benefits of healthy eating.

我们正努力让大家意识到健康饮食的好处。

I took my bags inside, lowered myself onto the bed and switched on the TV.

我把我的包拿进去，坐到了床上，打开了电视。

Please make sure all mobile phones are switched off during the performance.

请确保演出时关上所有手机。

I am very impressed with Brian Hanlon, who seems a switched-on sort of guy.

我对布赖恩·汉隆印象深刻，他似乎是个紧跟音乐潮流的家伙。

Then Bob spotted the problem - the plug in the wall hadn't been switched on.

然后鲍勃发现了问题——墙上的插座没有打开。

Claire switched on her high beams for a better look at the trees across the road.

克莱儿打开远光灯，更好地看了一眼公路对面的树木。

The device automatically disconnects the ignition when the engine is switched off.

该设备在引擎被关闭时会自动断开点火装置。

This was the first time I struggled to learn a song, because my voice cracked as I switched to a head voice.

这是我第一次学歌学得这么艰难，因为我在换成头声唱歌时破音了。

I switched to electronic engineering.

我转到了电子工程。

At first he studied architecture, but later he switched to geology.

起初他学建筑，但后来转到地质学。