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TOEFL IELTS BNC: 1952 COCA: 2604
switch
swɪtʃ swɪtʃ
Word forms: plural , 3rd person singular present tense switches, present participle switching, past tense , past participle switched
1 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. (电路的)开关，闸，转换器

  • Leona put some detergent into the dishwasher, shut the door and pressed the switch.

    利昂娜将一些清洁剂放入洗碗机，关上门后按了开始键。

  • ...a light switch.

    电灯开关

SYN control, button, lever, on/off device
2 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. 转换;改变;转变 [Also VERB] [Also VERB PREPOSITION]

  • Estonia is switching to a market economy. [VERB + to]

    爱沙尼亚正在向市场经济转轨。

  • The law would encourage companies to switch from coal to cleaner fuels. [VERB from noun to noun]

    该法律将鼓励企业转而使用比煤更加清洁的能源。

  • The encouragement of a friend spurred Chris into switching jobs. [VERB noun]

    在一位朋友的鼓励下，克理斯换了工作。

Switch is also a noun.

  • New technology made a switch to oil possible.

    新技术使得转而使用石油成为可能。

  • The spokesman implicitly condemned the United States policy switch.

    发言人含蓄地谴责了美国政策上的转变。

Switch over means the same as switch .switch over 同 switch

  • ...a professional man who started out in law but switched over to medicine.

    开始学法律后转而从医的专业人士

3 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. 转移(注意力);(注意力)转变

  • My mother's interest had switched to my health. [VERB + to]

    母亲转而关注起我的健康来。

  • As the era wore on, she switched her attention to films. [VERB noun + to]

    随着这个时代慢慢过去，她把目光投向了电影业。

4 VERB 交换;调换;对调 If you switch two things, you replace one with the other. 交换;调换;对调

  • In half an hour, they'd switched the tags on every cable. [VERB noun]

    半个小时内，他们就给每根电缆都换了标签。

  • The ballot boxes have been switched. [be VERB-ed]

    投票箱被人调换了。

SYN exchange, trade, swap, replace
Phrasal verbs:
switch off switch on switch over
Word Partnership
Word PartnershipUse switch with:
VERB.

flick a switch, flip a switch, turn a switch 1

make a switch 2

N.

ignition switch, light switch, power switch 1

switch sides 2

Trends of switch
View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years
TOEFL IELTS BNC: 1952 COCA: 2604
switch

noun¹

 1small button/lever小按鈕；小控制桿ADJECTIVE | VERB + SWITCH | SWITCH + VERB | PREPOSITION | PHRASES ADJECTIVE➤master, power總開關；電源開關◇The master switch is under the stairs.總開關在樓梯下。➤electric, electrical電開關；電氣開關▸➤off, on, on-off停機／開機／轉換開關◇I couldn't find the off switch on the remote control.我找不到遙控器上的關機按鈕。➤dimmer, timer, toggle (especially NAmE) 調光／定時／切換開關◇We fitted dimmer switches in all the bedrooms.我們在所有的卧室裏都安裝了調光器。➤ignition, light, wall (NAmE) 點火／電燈／牆上開關VERB + SWITCH➤flick, flip, hit, press, pull, throw, turn off, turn on輕按開關；按動開關；拉電閘；扳電閘；關上開關；打開開關◇Someone threw a switch and the electricity went off.有人扳了電閘，電就斷了。SWITCH + VERB➤activate sth, control sth, operate sth開關啟動⋯／控制⋯／操作⋯◇This switch controls the heating system.這個開關控制供熱系統。PREPOSITION➤by a switch用開關◇The light operates by a timer switch.這個燈由定時開關控制。➤on a switch連在開關上◇The heater is on a timer switch.加熱器連在一個定時開關上。➤switch for⋯的開關◇the switch for the air conditioning空調的開關PHRASES➤at the flick of a switch輕輕按一下開關◇in the days before electricity was available at the flick of a switch在還不能一按開關就有電用的日子
switch

noun²

 2change that sb makes改變ADJECTIVE | VERB + SWITCH | PREPOSITION ADJECTIVE➤abrupt, sudden突然的轉變▸➤big大轉變▸➤complete完全的轉變▸➤tactical (especially BrE) 戰術的改變◇The team's manager made a shrewd tactical switch.該隊主教練對戰術作出了高明的調整。VERB + SWITCH➤make作出改變PREPOSITION➤switch away from, switch from改變⋯◇There will be no overnight switch away from old voting habits.不會一夜之間就改變舊的選舉習慣。◇her switch from full-time to part-time work她從全職到兼職的轉變➤switch back to, switch over to, switch to變回；變向◇He's a classical singer who has made the switch over to pop.他是古典歌手，已改唱流行歌曲。➤switch between在⋯之間轉換◇the recent switches between direct and indirect taxation近期在直接稅和間接稅之間的反複➤switch in⋯的轉變◇their abrupt switch in allegiance他們在擁戴對象方面的突然轉變
switch

verb

ADVERB | VERB + SWITCH | PREPOSITION ADVERB➤easily, readily, simply容易地／輕易地／輕鬆地轉換▸➤suddenly突然轉變◇My mind suddenly switched back to my conversation with Jeremy.我的思緒突然回到了與傑里米的談話上。➤quickly快速轉換➤automatically自動轉換▸➤around, back, back and forth, over, round (especially BrE) 改變位置；換回來；來回轉換VERB + SWITCH➤decide to決定轉變◇He decided to switch tactics.他決定改變策略。PREPOSITION➤between在⋯之間轉換◇The remote control allows you to switch easily between TV channels.遙控器可以使你在不同電視頻道之間輕鬆轉換。➤away from, from轉離◇He switched his allegiance from the British to the French.他不再效忠英國，轉而效忠法國。➤to換成➤with與⋯交換◇We asked them if they would switch places with us.我們問她們是否願意和我們對換座位。
TOEFL IELTS BNC: 1952 COCA: 2604
switch noun
⇨ button 1 (a light switch) ⇨ change 2 (a policy switch)switch verb
⇨ replace 2 (switch my glass with hers) ⇨ switch (switch over to a new system) switch

verb

switch ♦︎ change (sth) over ♦︎ convert ♦︎ swapThese words all mean to change or make sth change from one thing to another. 这些词均表示改变、转变。PATTERNS AND COLLOCATIONS 句型和搭配◆to switch over / change over / convert from sth to sth◆to switch / change / swap over◆to switch / convert / swap easily■ switch [intransitive, transitive] (rather informal) to change or make sth change from one thing to another 改变；转变◆Press these two keys to switch between documents on screen.按这两个键，可以切换屏幕上的文件。◆The meeting has been switched to next week.会议改到下周举行。◆When did you switch jobs?你什么时候换了工作？  see also switch ⇨ change noun 2 ■ ˌchange ˈover■ ˌchange sth ˈover

phrasal verb

to change or make sth change from one system or position to another 改变（系统或位置）◆The farm has changed over to organic methods.农场已改用有机作业。◆We've changed the farm over to organic production.我们已经将农场改变为有机化生产。   see also change ⇨ change noun 2 NOTE 辨析 Switch or change over? Switch is more informal than change over and is often used in journalism. Change over is more often used with to than from. * switch不如change over正式，常用于新闻中。change over更常与to而非from连用◆to change over to nicotine gum / dairy farming / a nuclear policy改用尼古丁口香糖；改为养乳牛；转变为核政策 Switch is often used to talk about moving between two opposite positions, or from an old-fashioned system to a new one. * switch常指在两个相反的位置之间移动，或从旧系统向新系统转换◆to switch over from recovery to relapse从康复转变为旧病复发◆to switch over to a metric standard / electronic mail改用公制标准／电子邮件 ■ convert kənˈvɜːt; NAmE kənˈvɜːrt [intransitive] (rather formal) to change a habit or opinion 改变（习惯或观点）◆I've converted to organic food.我改吃有机食物了。   see also conversion ⇨ change noun 2 ■ swap ( swop) swɒp; NAmE swɑːp(-pp-) [intransitive] to start doing sb else's job, etc. while they do yours 交换（工作）◆I'll drive there and then we'll swap over on the way back.去的时候我开车，回来时咱俩再倒换过来。   see also swap ⇨ exchange noun
TOEFL IELTS BNC: 1952 COCA: 2604
switch
To change something: change, make into, convert...
To become different: change, turn into, change into...
To replace, or to be replaced: replace, change, renew...
Knobs and switches on machinery and equipment: actuator, console, control...
Changes: effect, change, trend...
Long and thin objects: line, strip, stick...

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