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1·They've switched off the power.

他们关掉了电源。《牛津词典》

2·She switched off the coffee-machine.

她关掉了咖啡机。《柯林斯英汉双解大词典》

3·Please ensure (that) all lights are switched off.

请务必将所有灯都关掉。《牛津词典》

4·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。

5·His phone must be switched off.

他的电话一定是关机了。《牛津词典》

6·She switched on the bedside lamp.

她打开了床头灯。《柯林斯英汉双解大词典》

7·People get really switched on by this music.

这首乐曲确实令人激情勃发。《牛津词典》

8·His focus switched to the little white ball.

他的焦点转移到了那个小白球上。《柯林斯英汉双解大词典》

9·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。《柯林斯英汉双解大词典》

10·The dates of the last two exams have been switched.

最后两门考试的日期掉换了。《牛津词典》

切换

1·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。

2·In effect, it is like a new connection setup for the switched user.

事实上，这相当于为切换的用户建立了一个新的连接。

3·This condition is shown in line 35, where if the column is being sorted for a consecutive time and the previous direction was upward, it must be switched to downward sorting.

这个条件如第35行所示，其中，如果在一段连续的时间内对该列排序，并且以前的排序方向为升序，那么它必须切换为降序排序。

4·I decided to count how many times I switched devices between noon and 6pm, so a 6 hour period.

所以我得亲自数一遍从中午到下午6点种这6小时内我切换设备的次数。

5·By adding code to manage query caches for multiple users at the same time in a single process, the process need not be suspended, but can be switched to perform work for another user.

通过添加代码来同时在单个进程中管理多个用户的查询缓存，不需要挂起进程，而可以进行切换来为另一个用户执行工作。

改变

1·What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”

Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。

2·During the Cold War, Republicans switched gears and supported vast military budgets, but they never relaxed their opposition to social spending.

冷战期间，共和党改变了立场，开始支持庞大的军事预算，但从来没有松懈过对社会公共支出的反对。

3·Stay or switch? If I switched, I'd be throwing away the coding I'd already done in exchange for a better development base.

坚持还是改变？如果我改变，我将会抛弃掉我已经编写的代码，来换取一个好一些的开发基础。

4·If I format the cell as date English (NZ) it displays right in the spreadsheet, but when I try to upload it switched the day and month.

如果我将单元格格式化为日期英语(NZ)，它会在电子表格中显示，但是当我尝试上传时，它改变了日期和月份。

转变

1·Existing production lines for bottled purified water can be switched to the production of tea drinks by adding some appropriate systems and devices with a view of utilizing idle equipment effectively.

在现有瓶装纯净水生产线的基础上，增加适当的设备和装置，可以转变为茶饮料的生产线，从而有效地利用闲置设备。

调换了

1·My tools box switched to his.

我的工具箱与他的调换了。

2·I switched the salt and sugar.

我把盐和糖调换了。

(1)switched on开启；接通电流

(1)packet switched network分封交换网路；包交换网络；分组交换网络