switch

英[swɪtʃ]美[swɪtʃ]

n.（电路的）开关，闸，转换器，改变，转变；

v.改变，转变，交换，调换，调班；

复数：switches;

第三人称单数：switches;

过去式：switched;

过去分词：switched;

现在分词：switching;

例句

The heater is on a timer switch.加热器连在一个定时开关上。

First you should switch the machine on.你得先把机器打开。

Switch that fellow off!别让那个家伙再讲下去!

The boys started to switch off after the first speech.孩子们听完第一个人发言后就开始心不在焉了。

He decided to switch tactics.他决定改变策略。

Don't switch the light.不要开灯。

We had to make a switch in our arrangements.我们不得不对我们的安排作些变动。

Where is the light switch?电灯开关在哪儿?

Benjamin fumbled for the light switch.本杰明手忙脚乱地找电灯开关。

The end of the wire had become accidentally fused with the switch.电线末端意外地与开关接合在一起。

英语六级真题

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline-powered cars to electric cars, or even a switch from an incandescent to a fluorescent light, understanding energy system inertia and momentum can help you decide whether their plans are feasible.

When performing, he positions his instruments in a way that is deliberately inconvenient, so that switching from guitar to organ mid-song involves a mad dash across the stage.

When China talks about switching its dollar reserves to other currencies.

I needed to switch my computer class to the 950 section.

Many people now say the benefits of switching to vegetarian diet which excludes meat and fish.

However, some nutritionists advise against switching to a totally strict vegetarian diet

Packing up again with no picnic, Zac had to switch schools for the second time and space is even tighter

Let's hope they' re wise enough not to be fooled by a machine that claims to determine truthfulness at the flip of a switch.

Many dairy farmers were persuaded to switch to grass-fed when they saw its advantage in terms of profits.

Over the years, Tim Joseph's partners have helped many dairy farmers to switch to grass-fed.

So, instead of innovation for innovation's sake and new products being created simply because the technology is there, the company culture must switch from these point-in-time innovations to a continuous pipeline of innovations from everywhere and everyon

This mood switch made no difference to the three-month-olds; but for the nine-month-olds, it was enough to renew their interest and they started looking again in the direction of the face.

We can't switch off global warming just by being good in the future.

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline -powered cars to electric cars, or even a switch from an incandescent to a fluorescent light

柯林斯高阶英汉双解学习词典释义

N-COUNT

(电路的)开关，闸，转换器

A switch is a small control for an electrical device which you use to turn the device on or off.

例句

VERB

转换;改变;转变

If you switch to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.

例句

V-ERG

转移(注意力);(注意力)转变

If you switch your attention from one thing to another or if your attention switches, you stop paying attention to the first thing and start paying attention to the second.

例句

VERB

交换;调换;对调

If you switch two things, you replace one with the other.

例句

英汉词典释义

n.

开关

改变, 转变

细枝条

（电路的）闸，转换器

（铁路的）转辙器，道岔

vt. & vi.

转变, 改变

vt.

转换

鞭打；赶(牲畜等)

挥动(棍棒、鞭子等)；甩动(尾巴等)

迅速转动，迅速移动；突然夺下

vi.

交换；掉换；转换；对调

调班；临时掉换工作时间

鞭打

英英词典释义

Noun

1. control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit

2. an event in which one thing is substituted for another;

3. hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure

4. railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock

5. a flexible implement used as an instrument of punishment

6. a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other

7. the act of changing one thing or position for another;

Verb

1. change over, change around, or switch over

2. exchange or give (something) in exchange for

3. lay aside, abandon, or leave for another;

4. make a shift in or exchange of;

5. cause to go on or to be engaged or set in operation;

6. flog with or as if with a flexible rod

7. reverse (a direction, attitude, or course of action)

行业词典

体育： 交换位置；防守换位；转换；开关；翻上；背攻；换新花色；

土木工程： 转辙器；

法律： 转手；

物理学： 开关；

电子学： 开关；

电工： 开关；

通信： 交换机；网络节点上话务承载装置、交换级、控制和信令设备以及其他功能单元的集合体。交换机能把用户线路、电信电路和（或）其他要互连的功能单元根据单个用户的请求连接起来。；

铁道： 转辙器；