Question

period period ★★★★☆/pɪ͟əriəd/1[N-COUNT	可数名词]一段时间；时期 A period is a length of time.   [usu with supp]This crisis might last for a long period of time.这次危机可能持续很长时间。...a period of a few months.几个月时间...for a limited period only.只在有限的时期内2[N-COUNT	可数名词]（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.   [with supp]...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He went through a period of wanting to be accepted...有一段时间他很想被人接受。The South African years were his most creative period.在南非的那些年是他创作最旺盛的时期。3[N-COUNT	可数名词]（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.   [usu with supp]...the Roman period...罗马帝国时代No reference to their existence appears in any literature of the period.这一时期的文学作品中都没有提及他们的存在。...the most difficult periods of history.历史上最艰难的时期4[ADJ	形容词]（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.   [ADJ n]...dressed in full period costume.穿着宽松的古装...replicas of period instruments.古乐器的复制品5[N-COUNT	可数名词]（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.   [usu n N]They accompanied him during his exercise periods.练习的时候他们陪着他。6[N-COUNT	可数名词]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...taking his scripts to school in order to learn the lines in free periods.把他的剧本带到学校以便空闲的时候背台词7[N-COUNT	可数名词]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	副词]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.   [cl ADV]  [emphasis]I don't want to do it, period.我不想做，这事就到此为止吧。9[N-COUNT	可数名词]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.   [AM 美]in BRIT, use 英国英语用 full stop period1 nounperiod2 adjectiveperiodpe‧ri‧od1 /ˈpɪəriəd $ ˈpɪr-/ ●●● S1 W1 AWL noun [countable]  Entry menu Word Origin Examples Thesaurus Collocations Phrases 1length of time a particular length of time with a beginning and an end:  Tomorrow’s weather will be dry with sunny periods.period of His playing improved in a very short period of time. a brief period of silence The drug was tested over a five-week period. They adopted the system for a trial period (=time in which something is tested to see if it works well).2life/history a particular time in someone’s life or in history → era:  the conflict of the Cold War period Van Gogh’s early period the Jurassic period the behaviour of children during the period of adolescence3blood the flow of blood that comes from a woman’s body each month → menstrual period:  I was 12 years old when I started my periods.4mark American English the mark (.) used in writing to show the end of a sentence or of an abbreviation SYN full stop British English5school one of the equal parts that the school day is divided into SYN lesson British English:  What class do you have first period?period of a double period of Science6sports one of the equal parts that a game is divided into in a sport such as ice hockey:  The Bruins scored twice in the first period.7for emphasis period! American English spoken used to emphasize that you have made a decision and that you do not want to discuss the subject any more  SYN  full stop!:  I’m not going, period!COLLOCATIONSADJECTIVES/NOUN + perioda long/lengthy period· They had to spend long periods apart.a short/brief period· He lived for a short period in Manchester.a limited period (=a fairly short length of time)· From May, the site will be open to the public for a limited period.a fixed/set period (=that will not be changed)· A tourist visa allows you to stay for a fixed period.an indefinite period (=with no fixed end)· The painting had been loaned to the gallery for an indefinite period.a six month/five year etc period· They studied the behaviour of the ocean during a five year period.a trial period (=a time in which you try something to see if it is good)· We could introduce the system for a trial period.phrasesa period of time· Over a period of time, this pressure can damage the fibres of the carpet.THESAURUSa period in historyperiod a particular time in history, especially one studied as a subject: · the late Victorian period· the interwar period· During that period many people moved from the countryside to the towns.time a period of years, months, days etc: · The 1960s were a time of great social change.· the biggest earthquake in modern times· Verdun was an important city in Roman times.age a long period, especially one that represents a particular stage in the development of civilization or technology: · the industrial age· We are now in the age of the Internet.· the Stone Age (=when people used tools made of stone)era a long period that has a particular character or that is marked by particular events: · We live in an era of breathtaking change.· the post-war era· De Gaulle’s death marked the end of an era.epoch /ˈiːpɒk $ ˈepək/ formal means the same as era, but sounds more formal and important: · We are now entering a new epoch in human history.· the colonial epoch· It was the end of an epoch.period1 nounperiod2 adjectiveperiodperiod2 adjective  Examples Collocations Phrases  period costume/furniture etc clothes, furniture etc in the style of a particular time in history:  actors dressed in period costume

Accepted Answer

95iX3Ml/KOgeNWjcE9HG9W3BOwqkVQMBMlH/zp4IlCa+08PCQ438juzSaQZxKgK9at7J7wdVmJ++0QeDnPYt/nnprZSlDE7PGr4DJ/fMiTOvOEZHb7cuXa6YCds0/LbkJhYt1mIiD9haFS8sq3jeOwUaoLaadLMRpLsKrB5MH4vNFhrPL8qoZ+O89hbmjZxqjELAF3tv8KYVxqgQE8+J4t7dxRWawljFMdIuD+vQYlo1UKJbU7ST6zUOEkdhncuPw2deRiGVTxkUbIdL77A/A8lq60XfK2nmIgTN8tghqJjolQ5b4Gbz9YreVnP+mgmSOAfImq9Ee7sw5k5z6tHU8Fs2hnskcoYmcOwjbYotyfbeXvgxm18VbK/5retIaja7n5wlTo2sAC6ItmR1JvoMTAhtE+NJha3BfbHlcAbCRnohTg4xFwcVyGJ5B7/ilEpDfStjaupk8IJMmC27s8ksnSrGd2Yozas7egu9Li6N7b7/fZbM1s+dSdKW1WN5C6DhSotq6uB7IEqKBaHkrUOveTuPtRmmS1+G8IVstExiXlLosZxkkYVwJ3wEm4twyO6miQDcehGMw9gfVva+2WyK53jzi/RVDxMe2CTHTcaHQuqJot1NrQetHpZkT6HSAHXkniFpRQbAdCj0pYyHk8IM9jgHyJqvRHu7MOZOc+rR1PBbNoZ7JHKGJnDsI22KLcn23l74MZtfFWyv+a3rSGo2u5+cJU6NrAAuiLZkdSb6DEwIbRPjSYWtwX2x5XAGwkZ6EH+FNSpiMCvQZ974D9rjoObdL2oVXwhW3MryAYhpUv8qxndmKM2rO3oLvS4uje2+/32WzNbPnUnSltVjeQug4UqLaurgeyBKigWh5K1Dr3k7j7UZpktfhvCFbLRMYl5ShRwFMiT85bVlwQsBz5Zeu0ucqQwSiFoYLEkO26LfrckQIcI9L+u4oy/gfqaaW5vDKYl4cXxDQ+7VCIwP3mE5WdAGJqQ9UoHw62Oxpn0M7FcAEU3uInFOrbAALn5bt4LyzyZEMdZXQFGVdWwozI/2E2uvZ9oXxc7T5kX5JhqlT82rOKbRC88ZTVGTe/axWh/VHWO3e7yJ1lNVyS05HKxZT0Sh1fBjSF7LfbagnPI/Dq/qILU6WUZovZNYTvucGArJZhFCGMDoH8gq8Ma/occ8wnnHnVfGZ0wc6e66TMD4sOavyNxtxBMH13JRHhrVt/U25xmhI4PCQ6O0etfvMX5cc23p7ObRsuvqIYiN/mq10qQja0Vc30yxeLVL6wnrrbWD3Jzb/6bB0GeBhYoghkp0tYDrvnN3HTO3WBrYxtGgXTtMl2omvyD0A8c03gc9aoAoAj/QDNG8KHG6Ai6J2bZB8aCWRB/QZ1XImupb1ENhuWxE9jqyng6loT4wCLNJH98W4aiU/puBW8bp0csleGC0YuZ6ChAOtqvV6g/cuSrBtlqoHHbgK7x5PXeI4W84iU7dzz0XMi9wLHqHFCLILHD40vnuPLPfieeBu448higKqAXPz5/nAOAFGMFeE2rUV+xoat7J7wdVmJ++0QeDnPYt/nnprZSlDE7PGr4DJ/fMiTNyZ+FgiOTfcGl8bRe4ClSq9MjFd7KhCIYokSlrfle14Co5zy+AGUHsXeAeMTqh4b+TxjuUjw/f3ZxDiyEjz1hqc3srVu8rcgx6DTCqmUhlhkPNklsCggVyVHCviDInQ6FNVhyESLheZpulaEM43MckZZd1ASDcbx/XT0G2CYKkrw9jXUe/3QDwovvr7inH2VTzFgR6HWijV3Ysvz1g2527T9akP0fBFcgjprJf/OVE+tjLZ4U7m2CvfHg6fWVQvXRUtLfpKcwjYzjKW0X4lAajzZQEc4cVjZRnPNQzNBrpex5wV1BL6nCoihQjselCgMdKIZ9mPityc79qNexdgTUw5+mYu0i7wln+By3XPyxEtEhxTfHNdlQk6eFsHFihVfmkdMHwVexv2f+ypGpE+tK2js3lwZOM6ojl5pkzsvrOjNzkUXZ4nZ7uumkoll9y6DiPe7ESlkPzo8WDRes2oSVtC6ZetMzxdSjiJo87cG5ncg==             period              ★        AWL                    /        ˈpɪəriəd                ;          NAmE                ˈpɪriəd                /                              noun                ,                  adverb                ,                  adjective                            period      periods                            noun        ★                    length of time        时间长度                    1        ★                  a particular length of time            一段时间；时期                                    ◆          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% 升幅相若。                          ◆          This offer is available for a            limited periodonly.                    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.                    目的是降低高峰时段的交通流量。                          ◆          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。                          ☞see also                                                    cooling-off period                                                                2        ★                  a length of time in the life of a particular person or in the history of a particular country            （人生或国家历史的）阶段，时期，时代                                    ◆          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。                            3                  (            geology              地            )                    a length of time which is a division of an            era.A            periodis divided into            epochs.            纪（地质年代，代下分纪）                                    ◆          the Jurassic period          侏罗纪                            lesson        课时                    4                  any of the parts that a day is divided into at a school, college, etc. for study            节；学时；课                                    ◆          ‘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                            woman        妇女                    5                  the flow of blood each month from the body of a woman who is not pregnant            月经；经期；例假                                    ◆          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？                          ☞compare                                                    menstruation                                                                punctuation        标点                    6        (          NAmE)                          (                      BrE                    ˌfull ˈstop          )                          the mark ( . ) used at the end of a sentence and in some abbreviations, for example            e.g.            句点；句号                                                    adverb              (      especially NAmE)              (              BrE also            ˌfull ˈstop      )              (        informal)            used at the end of a sentence to emphasize that there is nothing more to say about a subject        （用于句末，强调不再多说）到此为止，就是这话                    ◆      The answer is no, period!      答覆是不，不再说了！                            adjective                    [only before noun      ]              having a style typical of a particular time in history        具有某个时代特征的                    ◆      period costumes/furniture      代表某一时期的服装╱家具                  period              /        ˈpɪəriəd                ;          NAmE                ˈpɪriəd                /             period[ˈpɪəriəd]CET4CET6TEM4考研TOEFLn61769181103883380135221109430797NOUN5102957516Spoken:144131696periods[2688]时期(55%)，一段时间(16%)，周期(11%)，句号(8%)，学时(4%)，月经(4%)，课时(2%)n.周期，期间；时期；月经；课时；（语法学）句点，句号adj.某一时代的

word	period
content	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
Collins	period ★★★★☆ /pɪ͟əriəd/ 1 [N-COUNT 可数名词]一段时间；时期 A period is a length of time. [usu with supp] This crisis might last for a long period of time. 这次危机可能持续很长时间。 ...a period of a few months. 几个月时间 ...for a limited period only. 只在有限的时期内 2 [N-COUNT 可数名词]（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. [with supp] ...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 He went through a period of wanting to be accepted... 有一段时间他很想被人接受。 The South African years were his most creative period. 在南非的那些年是他创作最旺盛的时期。 3 [N-COUNT 可数名词]（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. [usu with supp] ...the Roman period... 罗马帝国时代 No reference to their existence appears in any literature of the period. 这一时期的文学作品中都没有提及他们的存在。 ...the most difficult periods of history. 历史上最艰难的时期 4 [ADJ 形容词]（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. [ADJ n] ...dressed in full period costume. 穿着宽松的古装 ...replicas of period instruments. 古乐器的复制品 5 [N-COUNT 可数名词]（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. [usu n N] They accompanied him during his exercise periods. 练习的时候他们陪着他。 6 [N-COUNT 可数名词]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 ...taking his scripts to school in order to learn the lines in free periods. 把他的剧本带到学校以便空闲的时候背台词 7 [N-COUNT 可数名词]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 副词]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. [cl ADV] [emphasis] I don't want to do it, period. 我不想做，这事就到此为止吧。 9 [N-COUNT 可数名词]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. [AM 美] in BRIT, use 英国英语用 full stop
Oxford	period ★ AWL / ˈpɪəriəd ; NAmE ˈpɪriəd / noun , adverb , adjective period periods noun ★ length of time 时间长度 1 ★ a particular length of time 一段时间；时期 ◆ 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% 升幅相若。 ◆ This offer is available for a limited periodonly. 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. 目的是降低高峰时段的交通流量。 ◆ 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。 ☞see also cooling-off period 2 ★ a length of time in the life of a particular person or in the history of a particular country （人生或国家历史的）阶段，时期，时代 ◆ 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。 3 ( geology 地 ) a length of time which is a division of an era.A periodis divided into epochs. 纪（地质年代，代下分纪） ◆ the Jurassic period 侏罗纪 lesson 课时 4 any of the parts that a day is divided into at a school, college, etc. for study 节；学时；课 ◆ ‘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 woman 妇女 5 the flow of blood each month from the body of a woman who is not pregnant 月经；经期；例假 ◆ 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？ ☞compare menstruation punctuation 标点 6 ( NAmE) ( BrE ˌfull ˈstop ) the mark ( . ) used at the end of a sentence and in some abbreviations, for example e.g. 句点；句号 adverb ( especially NAmE) ( BrE also ˌfull ˈstop ) ( informal) used at the end of a sentence to emphasize that there is nothing more to say about a subject （用于句末，强调不再多说）到此为止，就是这话 ◆ The answer is no, period! 答覆是不，不再说了！ adjective [only before noun ] having a style typical of a particular time in history 具有某个时代特征的 ◆ period costumes/furniture 代表某一时期的服装╱家具 period / ˈpɪəriəd ; NAmE ˈpɪriəd /
LDC	period1 noun period2 adjective periodpe‧ri‧od1 /ˈpɪəriəd $ ˈpɪr-/ ●●● S1 W1 AWL noun [countable] Entry menu Word Origin Examples Thesaurus Collocations Phrases 1length of time a particular length of time with a beginning and an end: Tomorrow’s weather will be dry with sunny periods.period of His playing improved in a very short period of time. a brief period of silence The drug was tested over a five-week period. They adopted the system for a trial period (=time in which something is tested to see if it works well).2life/history a particular time in someone’s life or in history → era: the conflict of the Cold War period Van Gogh’s early period the Jurassic period the behaviour of children during the period of adolescence3blood the flow of blood that comes from a woman’s body each month → menstrual period: I was 12 years old when I started my periods.4mark American English the mark (.) used in writing to show the end of a sentence or of an abbreviation SYN full stop British English5school one of the equal parts that the school day is divided into SYN lesson British English: What class do you have first period?period of a double period of Science6sports one of the equal parts that a game is divided into in a sport such as ice hockey: The Bruins scored twice in the first period.7for emphasis period! American English spoken used to emphasize that you have made a decision and that you do not want to discuss the subject any more SYN full stop!: I’m not going, period!COLLOCATIONSADJECTIVES/NOUN + perioda long/lengthy period· They had to spend long periods apart.a short/brief period· He lived for a short period in Manchester.a limited period (=a fairly short length of time)· From May, the site will be open to the public for a limited period.a fixed/set period (=that will not be changed)· A tourist visa allows you to stay for a fixed period.an indefinite period (=with no fixed end)· The painting had been loaned to the gallery for an indefinite period.a six month/five year etc period· They studied the behaviour of the ocean during a five year period.a trial period (=a time in which you try something to see if it is good)· We could introduce the system for a trial period.phrasesa period of time· Over a period of time, this pressure can damage the fibres of the carpet.THESAURUSa period in historyperiod a particular time in history, especially one studied as a subject: · the late Victorian period· the interwar period· During that period many people moved from the countryside to the towns.time a period of years, months, days etc: · The 1960s were a time of great social change.· the biggest earthquake in modern times· Verdun was an important city in Roman times.age a long period, especially one that represents a particular stage in the development of civilization or technology: · the industrial age· We are now in the age of the Internet.· the Stone Age (=when people used tools made of stone)era a long period that has a particular character or that is marked by particular events: · We live in an era of breathtaking change.· the post-war era· De Gaulle’s death marked the end of an era.epoch /ˈiːpɒk $ ˈepək/ formal means the same as era, but sounds more formal and important: · We are now entering a new epoch in human history.· the colonial epoch· It was the end of an epoch. period1 noun period2 adjective periodperiod2 adjective Examples Collocations Phrases period costume/furniture etc clothes, furniture etc in the style of a particular time in history: actors dressed in period costume
WDF	period [ˈpɪəriəd] CET4CET6TEM4考研TOEFL n617 69181 10388 3380 13522 11094 30797 NOUN510 2957516 Spoken: 144131696 periods[2688] 时期(55%)，一段时间(16%)，周期(11%)，句号(8%)，学时(4%)，月经(4%)，课时(2%) n.周期，期间；时期；月经；课时；（语法学）句点，句号 adj.某一时代的

Period Time Length End N Count 可数名词 History Era

period

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