释义
🔑 period AW BrE /ˈpɪər iəd NAmE /ˈpɪr iəd noun ➤ length of time 时间长度 🔑 a particular length of time ◆ a period of consultation /mourning /uncertainty ◆ The factory will be closed down over a 2 -year period /a period of two years .◆ This compares with a 4% increase for the same period last year . ◆ This offer is available for a limited period only . ◆ All these changes happened over a period of time . ◆ The aim is to reduce traffic at peak periods . ◆ You can have it for a trial period (= in order to test it . ➡ see also cooling-off period 🔑 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 ? ◆ the post -war period ◆ Like Picasso , she too had a blue period . ◆ Most teenagers go through a period of rebelling . (geology 地质学 a length of time which is a division of an era A period is divided into epochs ◆ the Jurassic period ➤ lesson 课时 any of the parts that a day is divided into at a school , college , etc . for study ◆ 'What do you have next period ?' 'French .' ◆ a free /study period (= for private study ➤ woman 妇女 the flow of blood each month from the body of a woman who is not pregnant ◆ period pains ◆ monthly periods ◆ When did you last have a period ? ➡ compare menstruation ➤ punctuation 标点 (NAmE (BrE ˌfull ˈstop the mark ( . ) used at the end of a sentence and in some abbreviations , for example e .g . 🔑 period AW BrE /ˈpɪər iəd NAmE /ˈpɪr iəd 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 ◆ The answer is no , period ! 🔑 period AW BrE /ˈpɪər iəd NAmE /ˈpɪr iəd adjective [ only before noun ] having a style typical of a particular time in history ◆ period costumes /furniture