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单词 period
释义
period
noun[C]
uk
/ˈpɪə.ri.əd/us
/ˈpɪr.i.əd/

periodnoun[C](TIME)

B1
alengthoftime:
一段时间，时期
Herworkmeansthat shespendslongperiods away fromhome.她的工作意味着她得长时间离家在外。
Unemployment in the firsthalfof theyearwas 2.5percentlowerthaninthe same period theyearbefore.上半年的失业率比上年同期低2.5%。
15peoplewerekilledin/overa periodoffourdays.在4天时间内有15人被杀。
Thestudywill becarriedoutovera six-month period.调查将持续6个月时间。
B1
inschool, adivisionoftimein thedaywhen asubjectistaught:
课时，学时，一节（课）
We have six periods ofscienceaweek.我们一周有6节自然科学课。
afixedtimeduring thelifeof apersonor inhistory:
（人一生中或历史上的）时期；阶段
Mostteenagersgo through arebelliousperiod.大部分青少年都要经过一个叛逆期。
Thehousewasbuiltduring theElizabethanperiod.这座房子是在伊丽莎白时期建造的。
More examples
  • Hertimeatuniversitywas the mosteventfulperiod of herlife.
  • He was one of the mostimportantwritersof that period.
  • Thewarwasfollowedby alongperiod ofpeaceandprosperity.
  • The 1990s were a period ofrapidchange.
  • Thepolicearecarryingoutspotchecksondriversover theChristmasperiod totestforalcohollevels.
SMART Vocabulary: related words and phrases
Periods of time - general words
  • age
  • at/in one sittingidiom
  • chapter
  • day
  • digital age
  • duration
  • leeway
  • length
  • life cycle
  • lifetime
  • making
  • me time
  • rest
  • session
  • sleep
  • spasm
  • tide
  • time lag
  • time span
  • timescale
See more results »

You can also find related words, phrases, and synonyms in the topics:

Classes & courses
Stages & phases
Stages of life

periodnoun[C](BLOOD)

thebleedingfrom a woman'swombthathappensonceamonthwhen she is notpregnant:
（妇女的）月经，经期
periodpains痛经
She'dmisseda period and wasworried.她的月经没按期来，让她很担心。
SMART Vocabulary: related words and phrases
Obstetrics: processes & stages connected with sexual reproduction
  • amniotic
  • andropause
  • biological clock
  • come on
  • curse
  • dysmenorrhea
  • fetal
  • impregnate
  • menopause
  • non-cyclical
  • ovulation
  • perimenopausal
  • perimenopause
  • perinatal
  • PMS
  • post-conception
  • premenstrual
  • premenstrual syndrome
  • pubescent
  • someone'sbiological clock is tickingidiom
See more results »

periodnoun[C](MARK)

mainlyUS
(UKusuallyfull stop)
thesymbol. used in writing at the end of asentenceor at the end of theshortformof a word
句号
mainlyUS
said at the end of astatementto show that youbelieveyou have said all there is to say on asubjectand you are not going todiscussit any more:
（用于一句话的结尾，表示某一话题已讨论完毕，不愿再继续）到此为止，就这样
There will be no moreshouting, period!别再喊叫了，到此为止！
SMART Vocabulary: related words and phrases
Punctuation
  • abbreviated
  • accent
  • acute
  • apostrophe
  • at sign
  • block capitals
  • caron
  • cedilla
  • comma
  • dash
  • diacritical
  • double prime
  • round brackets
  • semicolon
  • small cap
  • small capitals
  • solidus
  • square brackets
  • stroke
  • unbracketed
See more results »

You can also find related words, phrases, and synonyms in the topics:

Linguistics: interjections
period
adjective
uk
/ˈpɪə.ri.əd/us
/ˈpɪr.i.əd/
period costume/dress/furniture
theclothesorfurnitureof aparticulartimeinhistory:
某个历史时期的服饰／服装／家具
Theyperformed"Julius Caesar" in perioddress.他们穿着古装演《凯撒大帝》这部戏。
SMART Vocabulary: related words and phrases
Old or old-fashioned
  • age-old
  • ageing
  • ancient
  • antediluvian
  • anti-progressive
  • fossilization
  • fossilize
  • fossilized
  • frumpy
  • fusty
  • have hadits/yourdayidiom
  • neanderthal
  • outdate
  • outdated
  • outmoded
  • outworn
  • passé
  • used
  • vintage
  • went out with the arkidiom
See more results »
(Definition ofperiodfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

period| American Dictionary

period
noun[C]
us
/ˈpɪər·i·əd/

periodnoun[C](TIME)

alengthoftime:
Thestudywill becarriedout over a six-month period.
A period in thelifeof apersonor inhistoryis aparticulartimeduring thatlifeorhistory:
The period afterWorldWar II wasmarkedbyrapideconomicgrowth.
A period is adivisionoftimein aneventoffixedlength, such as adayatschoolor agame:
There was noscoringin the second period.
physics
A period is thetimeittakesfor onecompleterepetitionof apatternthatrepeats. A second is used as thestandardunitin mostareasofscience.
Periodcostume/dress/furnitureis theclothingorfurnitureof aparticulartimeinhistory:
At the Revolutionary Warthemepark, everyone waswearingperiodcostumes.

periodnoun[C](MARK)

amark(.) used in writing to show where the end of asentenceis, or to show that thelettersbefore it are an abbreviation(=shortwordform)
infmlYou can say period at the end of astatementas a way ofaddingemphasis:
There will be no moreshouting, period!

periodnoun[C](BLEEDING)

(alsomenstrual period,us/ˈmen·strəlˌpɪr·i·əd,-strə·wəl-/)
thebleedingfrom a woman’suterusthathappensapproximatelyevery fourweekswhen she is notpregnant

periodnoun[C](REPEATED EVENT)

science
thetimeneededtocompletearegularlyrepeatingeventorseriesofevents

periodnoun[C](ROW)

chemistry
any of therowsin theperiodictableofchemicalelements
(Definition ofperiodfrom theCambridge Academic Content Dictionary© Cambridge University Press)

period| Business English

period
noun[C]
uk
/ˈpɪəriəd/us
alengthoftime:
a period of six months/10 years, etc.Thisdebtisrepayableover a period of fiveyearsinequalquarterlyinstalments.
Profitfell75.1% from thesame periodayearago.
The Government will make anadditional10%contributionfor alimitedperiod.
The secondquarterof theyearshould have been abusyperiod.

See also

accounting period
cooling-off period
deferment period
earnout period
payback period
pay period
qualifying period
recovery period
reporting period
(Definition ofperiodfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofperiod

period
In the firstperiod, the results were encouraging.
From theCambridge English Corpus
Stimulus duration andperiodwere 3 and 6 s, respectively.
From theCambridge English Corpus
Finally, planning will time the movement such that a sufficientperiodof time is available for the control system to operate.
From theCambridge English Corpus
The common challenge physiologists, philosophical psychologists, and also physicists set themselves in thatperiodwas that of making invisible forces visible.
From theCambridge English Corpus
Individual ocelots were photographed as many as 17 times during the cumulative 2-y surveyperiod, though many were recorded only once.
From theCambridge English Corpus
In general, little is known about those living on the margins of society during thisperiod, especially in the rural regions.
From theCambridge English Corpus
The formal models that are consistent with a criticalperiodrely on innate representations of abstract structure.
From theCambridge English Corpus
During the 7-month studyperiod, 448 requests for admission to the unit were made for 381 patients.
From theCambridge English Corpus
For the validation, complete medical records were requested for each patient from the participating hospitals for the 12-week studyperiod.
From theCambridge English Corpus
During the entire post-warperiodthere are only five occasions (1950, 1951, 1955, 1964 and 1997) in which the parties leapfrog each other.
From theCambridge English Corpus
In terms of recreation, culture, education, and even rural industries, theperiodwas characterised as much by development and change as by stagnation and decline.
From theCambridge English Corpus
Beetles were removed from the three traps and baits replaced each week for the three-weekperiodfollowing pat placement.
From theCambridge English Corpus
Fifteen infants survived but one baby died in the neonatalperiod.
From theCambridge English Corpus
However, some individuals survived from oneperiodto the next and therefore are represented in both.
From theCambridge English Corpus
A 3-minperiodof dark adaptation was followed by a 1-minperiodof light adaptation to the two surrounds.
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.

Collocationswithperiod

period

These are words often used in combination withperiod.

Click on a collocation to see more examples of it.

baroque period
It is as if the baroque period sought to liberate the singularity of classification of knowledge enforced by the architecture of the library to allow a plurality of correspondences.
From theCambridge English Corpus
baseline period
The first period is thebaselineperiodin the model.
From theCambridge English Corpus
brief period
That it once enjoyed abriefperiodof genuine popularity may encourage an affirmative answer.
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.
#https://dictionary.cambridge.org//dictionary/english/period##
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更新时间：2024/12/28 2:07:48