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单词 switch
释义
switch
noun
uk
/swɪtʃ/
us
/swɪtʃ/

switchnoun(DEVICE)

B1[C]
asmalldevice, usuallypushedup or down withyourfinger, thatcontrolsandturnson or off anelectriccurrent
开关
alightswitch电灯开关
Can youflipthe switch?你能打开那个开关吗?
switches[plural]US(mainlyUKpoints)
aplaceon arailwaytrackwhere therails(=metalbarson which thetrainstravel)can bemovedtoallowatraintochangefrom onetrackto another
(铁路的)道岔,转辙器
Thetrainrattledas it went over the switches.火车哐啷哐啷驶过道岔。
More examples
  • Youturnthetelevisionon byflippingthe switch at theside.
  • Mysteriously, thelightcame on,althoughno one was near the switch.
  • Anadditionalpowerswitch for theradioishandilylocatednext to thesteeringwheel.
  • Sheflickedthe on-off switch.
  • All thesemachinesoperateat theflickof a switch.

switchnoun(CHANGE)

[C]
asuddenorcompletechange,especiallyof onepersonor thing for another
突然改变,彻底改变;调换;转换
switch
verb[T,Iusually+ adv/prep]
uk
/swɪtʃ/
us
/swɪtʃ/

switchverb[T, I usually + adv/prep](DEVICE)

B1
to use a switch tochangeadevicefrom onestateortypeofoperationto another
打开(开关);关闭(开关);转换
switch the TVoff/on关/开电视
More examples
  • Are youpositivethat yousawme switch theironoff?
  • Bytogglingthiskey, you can switch theitalicson and off.
  • Could you switch on theradio?
  • She switched to anotherchanneltowatchthefootball.
  • Thecomputertakesa fewsecondstopowerup after it's been switched on.

switchverb[T, I usually + adv/prep](CHANGE)

B2
tochangesuddenlyorcompletely,especiallyfrom one thing to another, or toexchangebyreplacingonepersonor thing with another
突然改变,彻底改变;调换;转换
ShestartedstudyingEnglish, but switchedtoLaw in her secondyear.她刚上大学时学的是英语,但二年级的时候她改学法律了。
In 1971,Britainswitchedover(=changedcompletely)toadecimalcurrency.1971年,英国改用十进制货币。
After thebankrobbery, thegangswitchedcars(=leftonecarand got into another).抢劫银行后,匪徒们换了汽车。
More examples
  • Therobbersswitched thepaintingfor afake.
  • We used to haveoil-firedcentralheating, but now we've switched togas.
  • ManyEuropeancountrieshave now switched over to the Euro.
  • He'sdecidedto switch themeetingfromMondaytoThursday.
  • Will you switchshiftswith me onFriday?

Phrasal verbs

switch off
switchsthon

Examplesofswitch

switch
Bilingual language switching in naming: asymmetrical costs of language selection.
From theCambridge English Corpus
Language switching in bilinguals as a function of stimulus and response uncertainty.
From theCambridge English Corpus
The next three columns give times for the situation with one of e, g, p switches off (relative to the default case).
From theCambridge English Corpus
Decreasing these levels and increasing the bandwidth of the feedback controller will increase valve switching and consequently pneumatic energy consumption.
From theCambridge English Corpus
A single button press switches to a different system configuration, enabling rapid comparisons between patches.
From theCambridge English Corpus
Can such switches be attributed to strategic calculations?
From theCambridge English Corpus
We searched for interaction efforts between modules; the flexible frame switches naturally, without actuating it.
From theCambridge English Corpus
Simulations of the adaptive belief system give rise to endogenous switches between forecasts at intervals of varying length.
From theCambridge English Corpus
Immediately after switching on the neutral beam, fast particles exist mainly in the passing region.
From theCambridge English Corpus
Negative autocorrelation in long-run stock market returns means that longterm investors could engage in profitable market timing by switching between equities and bonds.
From theCambridge English Corpus
The matrix mixer is operated by a technician who must follow very precise instructions in the score for switching audio connections during performance.
From theCambridge English Corpus
Thus, an increase in 0 raises the fixed costs of learning and discourages switching.
From theCambridge English Corpus
Therefore, we modify the designed discontinuous time optimal control around the switching instants to decrease the influence of the discontinuities.
From theCambridge English Corpus
We see that the optimal policy is switching between stations 1 and 2 three times, so it is not characterized by a single switching curve.
From theCambridge English Corpus
Varying combinations of muscle groups were stimulated and foot switches were used to trigger each channel at the appropriate period of the gait cycle.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithswitch

switch

These are words often used in combination withswitch.

Click on a collocation to see more examples of it.

electronic switch
Electrical orelectronicswitchgear, amongst other vital uses, will continue to use f-gases in a contained environment.
FromEuroparl Parallel Corpus - English
ignition switch
I consider that siting theignitionswitchon the right-hand side of the steering column, only about two or three inches in front of the driver's knee, is frightfully dangerous.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
mechanical switch
A wide variety of mechanical switch designs using slide switches, rocker switches, or side-mounted or end-mounted pushbuttons have been used in flashlights.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/switch##
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更新时间:2024/12/28 10:54:14