period
- n.一段时间，时期;周期;<数>（周期函数的）周期;（练习、训练、学习的）时间，时段;（人生或国家历史的）阶段，时代;<美口>结束，终止;课时，学时，节;（妇女的）经期，月经;<美> 句号，句点;<医>病期，病程;<天>自转（或公转）周期;（冰球等比赛的）一局;<音> 乐段，乐节;完整句（尤指含有若干从句、结 构工整的复合句）;纪（地质年代，代下分纪）
- adj.（服装、家具、乐器）过去的，古代的;早期的;具有某个时代特征的
- adv.到此为止，不再说了
- int..就是这话， 就是这么回事
复数： periods
periodnoun
时间长度 length of time
一段时间；时期
a particular length of time
a period of consultation/mourning/uncertainty
磋商 / 哀悼 / 形势不明朗的期间
The factory will be closed down over a 2-year period/a period of two years.
这家工厂将在两年内关闭。
This compares with a 4% increase for the same period last year.
这个数字与去年同期的4%升幅相近。
This offer is available for a limited period only.
这项优惠仅在限期内有效。
All these changes happened over a period of time .
所有这些变化都是在一段时间内发生的。
The aim is to reduce traffic at peak periods .
目的是缓解高峰期间的交通状况。
You can have it for a trial period (= in order to test it) .
这东西你可以试用一段时间。
（人生或国家历史的）阶段，时期，时代
a length of time in the life of a particular person or in the history of a particular country
Which period of history would you most like to have lived in?
你最喜欢生活在哪一个历史时期？
the post-war period
战后时期
Like Picasso, she too had a blue period.
和毕加索一样，她也有过一段消沉时期。
Most teenagers go through a period of rebelling.
大多数青少年都要经历一段叛逆期。
纪（地质年代，代下分纪）
a length of time which is a division of an era
the Jurassic period
侏罗纪
课时 lesson
节；学时；课
any of the parts that a day is divided into at a school, college, etc. for study
‘What do you have next period?’ ‘French.’
“你下一节是什么课？”“法语。”
a free/study period (= for private study)
自习课
妇女 woman
月经；经期；例假
the flow of blood each month from the body of a woman who is not pregnant
period pains
痛经
monthly periods
月经
When did you last have a period ?
你上一次月经是什么时候？
标点 punctuation
adv.
adj.
only before noun具有某个时代特征的
having a style typical of a particular time in history
period costumes/furniture
代表某一时期的服装 / 家具
period
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1
N-COUNT 一段时间；时期
A period is a length of time.This crisis might last for a long period of time.
这次危机可能持续很长时间。
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2
N-COUNT （个人、组织或社会的）阶段，时期，时代
A period in the life of a person, organization, or society is a length of time which is remembered for a particular situation or activity....a period of economic good health and expansion...
经济健康发展并且不断扩张的一段时期
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3
N-COUNT （历史上的）阶段，时期
A particular length of time in history is sometimes called a period. For example, you can talk about the Victorian period or the Elizabethan period in Britain....the Roman period...
罗马帝国时代
-
4
ADJ （服装、家具、乐器）过去的，古代的，具有某个时代特征的
Period costumes, furniture, and instruments were made at an earlier time in history, or look as if they were made then....dressed in full period costume.
穿着宽松的古装
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5
N-COUNT （练习、训练、学习的）时间，时段
Exercise, training, or study periods are lengths of time that are set aside for exercise, training, or study.They accompanied him during his exercise periods.
练习的时候他们陪着他。
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6
N-COUNT 课；课时；节
At a school or college, a period is one of the parts that the day is divided into during which lessons or other activities take place....periods of private study.
自习课
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7
N-COUNT 月经
When a woman has a period, she bleeds from her womb. This usually happens once a month, unless she is pregnant. -
8
ADV 到此为止；不再说了
Some people say period after stating a fact or opinion when they want to emphasize that they are definite about something and do not want to discuss it further.I don't want to do it, period.
我不想做，这事就到此为止吧。
-
9
N-COUNT 句号
A period is the punctuation mark (.) which you use at the end of a sentence when it is not a question or an exclamation. -
noun
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1
- a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations
- in England they call a period a stop
- Synonym: point full stop stop full point
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2
- the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
- the women were sickly and subject to excessive menstruation
- a woman does not take the gout unless her menses be stopped"--Hippocrate
- the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotl
- Synonym: menstruation menses menstruum catamenia flow
-
3
- an amount of time
- a time period of 30 years
- hastened the period of time of his recovery
- Picasso's blue period
- Synonym: time period period of time
-
4
- the end or completion of something
- death put a period to his endeavors
- a change soon put a period to my tranquility
-
5
- a unit of geological time during which a system of rocks formed
- ganoid fishes swarmed during the earlier geological periods
- Synonym: geological period
-
6
- (ice hockey) one of three divisions into which play is divided in hockey games
-
7
- the interval taken to complete one cycle of a regularly repeating phenomenon
数据来源：WordNet
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After a period of enforced idleness , she found a new job .
她在被迫闲散了一段时间之后，找到了份新工作。
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All these changes happened over a period of time .
所有这些变化都是在一段时间内发生的。
-
The patients were observed over a period of several months .
这些病人被观察了数月之久。
-
He built up the business over a period of ten years .
他用了十年时间把这个企业创建起来。
-
When did you last have a period ?
你上一次月经是什么时候？
-
Which period of history would you most like to have lived in ?
你最喜欢生活在哪一个历史时期？
-
You can pay back the loan over a period of three years .
你可以在三年内分期归还贷款。
-
March is one of the peak periods for our business .
三月是我们公司业务最繁忙的时期之一。
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The painting is not representative of his work of the period .
这幅画不是他在那个时期的代表作。
-
It is difficult to make oneself concentrate for long periods .
让自己长时间聚精会神是很困难的。
-
This compares with a 4 % increase for the same period last year .
这个数字与去年同期的4%升幅相近。
-
This offer is for a limited period only .
此次减价时间有限。
-
Use of computers spread rapidly during that period .
在那个时期，计算机的应用迅速流传开来。
-
This book deals with the social , economic and political issues of the period .
这本书论及了那个时期的社会、经济和政治问题。
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You can have it for a trial period .
这东西你可以试用一段时间。
-
The aim is to reduce traffic at peak periods .
目的是缓解高峰期间的交通状况。
-
It was proposed that the president be elected for a period of two years .
有人提议选出的主席任期为两年。
-
The money has been invested for a fixed period .
这笔款项已作定期投资。
-
The country is enjoying a period of peace and prosperity .
国家正值国泰民安、繁荣昌盛的时期。
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We can find out how much money is spent on food in any given period .
我们可以查明在特定时间内花在食物上的钱有多少。
-
She returned to work after a long period of incapacity .
她病了很长一段时间之后回去工作了。
-
It was a period of intense activity .
那是活动激烈的时期。
-
A period spent working abroad had done nothing to mellow him .
他在海外工作了一段时间，却没有变得老练。
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The answer is no , period !
答复是不，不再说了！
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Their early success was succeeded by a period of miserable failure .
他们起初获得成功，但随后有一段惨痛失败的时期。
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The money was lent for an undefined period of time .
这笔钱无限期借出。
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Profits have risen by 15 per cent compared with the corresponding period last year .
与去年同期相比利润增长了15%。
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The honeymoon period for the government is now over .
这届政府的蜜月期现在已经过去了。
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Like Picasso , she too had a blue period .
和毕加索一样，她也有过一段消沉时期。
-
The bank depreciates PCs over a period of five years .
这家银行把个人计算机分五年折旧。
指发展或变化过程中的某一个阶段。
The building is in the design phase.
这栋大楼正处于设计阶段。
The critical phase of that experiment will last three months.
那个实验的关键性阶段将持续3个月。
指有开始和结束的一段时间。
His studies improved in a very short period of time.
他的学业在很短的时间里便取得了进步。
New employees have been trained over a six-week period.
新员工接受了为期6周的培训。
指某种活动、天气、疾病等持续的一段时间，通常为期较短。
After a short spell in the army, he returned to his former university.
在部队呆了一小段时间后，他又回到原来的大学。
She worked a spell as a teacher before becoming a civil servant.
在成为公务员以前她当过一阵老师。
指成长或发展的某一时期，也可指某一进程、活动等中的一个阶段。
the early stage of a kid's development
儿童成长的早期
These two teams reached the final stage of the competition.
这两支队伍进入了决赛阶段。