单词：switch
vt. 转变, 切换, 摆动, 转换, 使转轨
vi. 转换, 变换, 摆动
[计] 交换机；开关; 翻转; 转移
n. hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
n. railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
n. a flexible implement used as an instrument of punishment
考试类型：[高考/四级/六级/考研/托福/IELTS]
switch的用法和样例：
例句
- How do I switch to the next major release branch?如何转换为下个主要发布版本分支？
- The current will switch over after I push this button.我按下这个按钮之后，电流会被转换。
- I wish to turn on the light, where is the switch?我想要开亮那一支电灯,请问开关在哪儿?
- The father whipped his child with a switch.父亲用鞭子抽打他的孩子。
- In his hand he held a switch which was as supple as a vine-shoot and as heavy as iron.他手里拿着一条鞭子，象葡萄藤那样软，又象铁那么重。
- No, hold it a second, switch that to roast chicken.不，等一等，把那个换成烤子鸡。
- Our glasses have been switched--this is mine.咱们的玻璃杯对调了－－这个是我的。
- Nobody wants to switch back to the old system.谁也不希望回复到旧制度。
- Do you mind if I switch the radio off?我可以关掉收音机吗？
常见句型
- The train was switching.火车正在换道。
- He used to smoke this brand of cigarettes, but he switched.他本来抽这种牌子的香烟,但他后来改抽别的牌子了。
- Don't switch the light.不要开灯。
- They are switching the tram.他们使电车换了轨道。
- When will the high-up switch Tony and Denis?上级什么时候调动托尼和丹尼斯的工作?
- They kept switching meeting places.他们不断改变碰头地点。
- They switched positions.他们交换过位置。
- He is always switching jobs.他总是变换工作。
- They switched sides.他们改变了立场。
- They switched the conversation when she came in.她进来时他们就改变了谈话内容。
- His mind switched direction.他的思路变了。
- His father switched him when he was disobedient.他不听话时,父亲就鞭打他。
- He switched his horse to make it go faster.他用鞭打马,让马跑得更快些。
常用短语
- 改而恢复原办法 change one's plans so as to return (to someone or sth else)switch back
The system doesn't work too well, so we may have to switch back.
这套办法不怎么好,所以我们可能还得恢复原来的办法。
- 使…转变〔转移〕 (cause to) move or change from (someone or sth) (to someone or sth else)switch from sth to sth
In Japan,Lu Hsun switched from medicine to literature.
在日本,鲁迅弃医从文。
- 使…停止谈话 stop (someone) talkingswitch sth ⇔ off
Don't forget to switch off the lights when you leave the classroom.
离开教室时别忘了关灯。
He switched off the light as there was no one in the room.
他把灯关了,因为房里没有人。
When the clock struck twelve,I switched off TV and went to bed.
时钟敲响十二点时,我关了电视上床睡觉。
Adden switched off the radio and started to concentrate on his homework.
阿顿关掉收音机聚精会神地做功课。
Make sure the current is switched off at the mains before you leave on holiday.
你出去度假前一定要把总电源切断。
switch offThe students started to switch off after the first speech.
学生们听完第一个人发言后就开始心不在焉了。
The lecture was so boring that I switched off very soon.
讲座非常枯燥,刚坐了一会儿我就开小差了。
The boy often switches off in class so that he never gets good mark in exam.
那个男孩上课经常走神,所以从来没得过好成绩。
switch sb ⇔ offThe party was so dull that it switched him off.
聚会单调乏味,使他感到很扫兴。
Parties switched me on, but they seemed to switch her off.
聚会使我兴奋,但似乎使她扫兴。
switch sb ⇔ offSwitch that fellow off!
别让那个家伙再讲下去!
- (使)感兴趣,兴奋 (cause to) become interested or excitedThese parties switch him on, but they seemed to switch her off.这些社交聚会使他兴致勃勃,但似乎使她扫兴。
- 关上 cause (an electric light) to stop burningswitch sth ⇔ out
Please switch out all lights as you leave the building.
离开这所房子时,请把所有的灯都关上。
- (使)变换,转换 (cause to) make a complete change (to sth else)switch over
You can switch over from one circuit to another without any difficulty.
你可以毫无困难地从一个电路转换到另一个电路。
switch sth ⇔ overThe power machine will be switched over at midnight.
发电机午夜转换电流。
switch overWe switch over?I'd like to sit in the sun, too.
咱们换换位置好吗?我也想晒晒太阳。
switch sth ⇔ overIf you switch the words over, the sentence sounds better.
如果你把这几个词调换一下位置,这句子听起来就好多了。
switch over to sthIn 1971 Britain switched over to decimal money.
英国在1971年把钱币改成了十进位。
Many factories are switching over to a shorter working week.
很多工厂都在减少每周的工作日数。
We are switching over to a new technique next year.
我们将在明年改用一种新技术。
switch sth ⇔ over to sthThe chairman decided to switch the factory over to bicycle production.
董事长决定该厂改产自行车。
- 调换位置 (cause to) exchange placeswitch round
Can we switch round?I'd like to sit in the sun, too.
咱们换换位置好吗?我想晒晒太阳。
If you switch the words round, the sentence sounds better.
你把这几个词换换位置,这句子听起来就好多了。
- 转换 (cause to) move or change (from someone or sth) to (someone or sth else)switch to sth/v-ing
He got tired of teaching and switched to writing stories.
他厌倦了教书,于是改行写小说。
We used to have coal fires, but now we have switched to gas.
我们过去烧煤取暖,但现在已改用煤气。
I don't like this TV programme, let's switch to another one.
我不喜欢这个电视节目,换个频道看看吧。
I would like now to switch to quite a different subject.
现在我想换一个完全不同的话题。
switch sb/sth to sb/sthDon't hang up, please. I'll switch you to my boss.
请别挂断电话。我这就给你接到我的上司那边去。
He switched the control-lever to “off” position.
他把控制杆拨到“关”的位置。
Let's switch the discussion to another topic.
咱们换个话题讨论吧。
They switched the discussion to an argument.
他们把讨论变成了争论。
It is time to switch the talks to a different subject.
该讨论另一个主题了。
They switched the conversation to a less embarrassing subject.
他们把谈话转向了不太尴尬的话题。
She switched her support to the other candidate.
她转而支持另一个候选人。
词汇搭配
- switch away拿回来
- switch off关,截断
- switch off the radio关掉收音机
- switch on开,接通,使入迷
- switch on the light开灯
- switch over换位置,转换
- switch round转过来
- switch through转接
- switch back to回复到
- switch off to another line of thought改变想法〔思路〕
- switch out of从…抢走
- switch over to offensive转入进攻
- switch from从…转变
- switch from English into Russian由英语改为俄语
- switch into变为
- switch to转向
- switch to the metric system转换成公制
- switch one's support to the other candidate转向支持另一候选人
经典引文
To cut off the heads of some nettles..with his switch.
出自：J. AustenNelly switched her little fish-cart downwards to St. Ronan's Well.
出自：Sir W. ScottWe heard him switching his boots as he passed along the street.
出自：R. M. Ballantyne
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