| 释义 |
pe·ri·od /ˈpɪərɪəd/ n. | a. | int. | phr.
I n.
1. (一段)时间，时期，阶段；时代
over a period of several months 经过几个月的时间
in a 24-hour period 在24小时里
spread the work over a period 把工作匀在一段时间里做
a long and expensive training period 时间长花钱多的培训期
visit for a short period (of time) 作短期访问
during one's period of office as Minister of Justice 在担任司法部长期间
close down for a period 关闭一个时期
the question period after the main business of the meeting 会议主要事项之后的提问阶段
a historical period of considerable length 一个相当长的历史阶段
the Edwardian period (英王)爱德华七世时代
the period of the Civil War (美国)南北战争时期
2. [the period]该时期，该时代；当代，现代
the costume of the period 当时(或当代)的服饰
3. 【地】纪
the Jurassic period 侏罗纪
4. 周期；【天】自转(或公转)周期
the period of a flashing beacon 闪光航标灯的闪光周期
the period of a pendulum (of an alternating current) 【物】摆(交流电)的周期
The satellite revolves with a period of some 200 days. 这颗卫星以大约每圈200天的周期运行。
5. 【数】(周期函数的)周期；(数字3位分级法的)节；(小数点后的)循环节
a six-digit period 6位循环小数
6. (妇女的)经期
Are your periods regular? 你经期正常吗?
She missed her period. 她的月经没按期来。
7. 学时，课时；(比赛的)局
We have two periods of music a week. 我们每星期上两节音乐课。
In this school, a period is 45 minutes long. 本校每节课是45分钟。
Teachers these days don't get many free periods. 如今教师空课很少。
The game was won in the third period. 比赛在第三局时获胜。
8. 【医】病期；病程
He was a manic-depressive whose periods coincided with the full moon. 他是躁狂抑郁病患者，每逢满月就发病。
9. 〈美口〉结束，终止；结尾
The cheese served as a brilliant period for the meal. 干酪成了这一餐的精彩尾食。
10. 〈美〉句号，句点；(用于缩略词后的)圆点；句末的停顿
11. 完整句(尤指含有若干从句、 结构工整的复合句)；[periods]藻饰的文辞
speak in stately periods 以堂皇庄重的语句演讲
the oddly constructed periods 藻饰古怪的文辞
12. = periodic sentence
13. 【音】乐段，乐节
14. (希腊诗律学中两节或两节以上的诗歌形成的)格律群
15. 〈废〉目标，目的
II a.
具有特定时期(或时代)特点的，当时特有的；早期的
The play was set in the seventeenth century and the actors were wearing period costumes. 这出戏以17世纪为背景，演员都穿着当时式样的服装。
His house is full of period furniture. 他的屋子里摆满了古色古香的家具。
III int.
〈美口〉[常用于叙述事实或看法后表示强调]就是这话；就是这么回事
I love taking pictures, period. 一句话，我就是爱拍照。
I could have prevented them, and I didn't. Period. 我本可以拦住他们，而我没有拦。就是这么回事。
[<L periodus < Gr periodos cycle, circuit, 原义: a going around < PERI-+ hodos a going, way]
phr. at no period 从未有过 At no period have so many people been interested in politics. 从未有过这么多人对政治感兴趣。put a period to 使结束，终止 The suspect's confession put a period to the investigation. 犯罪嫌疑人已供认，调查就此终止。 |