n. 1. 时代；期；时期；期间；阶段。 2.〔the period〕现代，当代。 3.周期；【地质学；地理学】纪。 4.终结；句号。 5.【语法】长复合句，圆周句；【修辞学】掉尾句。 6.〔pl.〕美词丽句；华丽的词藻。 7.学时，课时，一节课；(比赛的)一节时间。 8.【医学】过程，周期。 9.〔pl.〕月经(期)。 10.【数学】(循环小数的)循环节。 11.【音乐】乐段。 短语和例子 the transitional period 过渡时期。 the warm-up period 【火箭】备射阶段。 the catchwords of the period 现代流行话。 a turned period (字母上面的)上点。 the incubation period (病的)潜伏期。 monthly period 月经。 at fixed periods 定期。 at stated periods 相隔一定时期；在一定时期。 come to a period 完结。 for a period of time 一个时期，一些时候。 put a period to sth. 使某事终止；取缔某事。 round a period 练句。 adj. 1.(家具、服装、建筑等)某一时代的。 2.(小说、戏剧等)逼真地描写某一特定历史时代的。 短语和例子 period furniture 仿古家具。 a period novel 描写特定历史时代的小说。 int. 〔口语〕就这样〔强调话已经讲完了，＝That's it! That's final!〕。
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" 同义词：point, full stop, stop, full point,
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"--Hippocrates; "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"--Aristotle 同义词：menstruation, menses, menstruum, catamenia, flow,
an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso''s blue period" 同义词：time period, period of time,
the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility"
a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" 同义词：geological period,
(ice hockey) one of three divisions into which play is divided in hockey games
the interval taken to complete one cycle of a regularly repeating phenomenon
例句与用法
1.
The incubation period usually is 8 to 14 days . 潜伏期通常为8-14天。
2.
The period after supper was given over to games . 晚饭后是游戏时间。
3.
The school day is divided into seven periods . 每个授课日分为七节课。
4.
In the slack period mr. baker came in . 正在空闲的时候贝克先生进来了。
5.
The period of waiting was not limitless . 等待的时候不会是没有尽头的。
6.
It is a period prolific of great poets . 这是伟大诗人辈出的时代。
7.
It was a productive and fertile period . 这是一个硕果累累的时期。
8.
It was a period of substantial change . 这是一个本质变化的时期。
9.
I 've been teaching four periods this morning . 今天上午我已教了四节课。
10.
The heat period appears at regular intervals . 其发情期有一定的间隔时间。
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