| 单词 | period |
| 释义 | noun | adjective periodperiod1 /ˈpɪriəd/ ●●● S1 W1 AWL noun [countable] 1LENGTH OF TIME a length of time with a beginning and an end: There was a short period of silence, and then they started talking again. She sat and watched the child sleep for a period of time.a three-year/10-day etc. period The loan has to be repaid over a 15-month period.period of Evelyn went through several periods of depression. You can get the magazine for a trial period (=a period to try something to see if it is good or works).► see thesaurus at time12HISTORY a particular time in history SYN era: We are studying the Civil War period at school.a period of/in history The book covers an interesting period of American history. The population of the country grew rapidly in the postwar period (=the period after a war, especially World War II).3IN DEVELOPMENT a)a particular time during someone’s life, relationship, etc. SYN time: It was one of the happiest periods in my life. b)a particular time during the development of someone’s artistic style: The exhibition has paintings from Picasso’s Cubist period.somebody’s early/late period The performance will include works from the composer’s early period.4WOMEN somebody’s period science, biology the monthly flow of blood from a woman’s uterus: I’m going to get my period soon.5DOT eng. lang. arts the mark (.) used in writing that shows the end of a sentence or of an abbreviation6SCHOOL one of the equal parts that the school day is divided into, during which students study a particular subject: Mike has Spanish second period.7SPORTS one of the equal parts that a game is divided into in a sport such as hockey: in the first/second period The Red Wings scored twice in the first period.8FOR EMPHASIS period! spoken used to emphasize that a decision has been made and there is nothing more to discuss: I’m not giving them any more money, period!9UNIT OF TIME earth science a period of time during which a specific type of rock was formed. Several periods are grouped into eras.10MATH math, algebra the space between regularly repeated values of a mathematical function[Origin: 1300–1400 French période, from Latin, from Greek, from peri- + hodos way] → see also grace1 (3)COLLOCATIONSadjectives/nouns + perioda time period (also a period of time) His English has improved in a very short period of time.a six-month/five-year etc. period The drug was tested over a five-year period.a long/lengthy period The couple had to spend long periods apart.a short/brief period I lived in France for a brief period in the late 1990s.a prolonged/extended period (=continuing for an unusually long time) If you experience the symptoms for a prolonged period, see your doctor.a specified/fixed/set period (=one that will not be changed) A tourist visa allows you to stay in the country for a fixed period of time.a limited period (=a fairly short length of time) The lilac bush blooms for a limited period of time in early spring.an indefinite period (=with no fixed end) The painting had been loaned to the gallery for an indefinite period.a trial period (=a time in which you try something to see if it is good) The system was introduced for a trial period.a grace period (=more time that is allowed for someone to do something) There is a grace period of two weeks for payment of the bill.a waiting period (=a time when you must wait before something can happen) The law requires a waiting period before a handgun purchase can be finalized.a transition period (=a time during which things change) During the transition period between the election and the inauguration, the newly elected president chooses his cabinet.a peak period (=a time when many people are trying to use something) For a while, I couldn’t get access to the Internet during peak periods.a honeymoon period (=a time when someone or something has just started, so people do not criticize it) It seems likely that the new president’s honeymoon period will be short, because people want the economy to improve quickly.cooling-off period (=a time when people who are arguing wait before making important decisions) There must be a 30-day cooling-off period before a strike can begin.verbsa period ends The application period ends May 31.enter a period The country is entering a period of rapid economic growth. noun | adjective periodperiod2 AWL adjective period costume/furniture etc. clothes, furniture, etc. in the style of a particular time in history: actors dressed in period costume → see also period piece |
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