| 单词 | periods |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔BUSY/NOT BUSY〕We usually have two people working in the shop, but at peak periods we employ extra staff. 我们店里一般有两名工作人员，但在旺季我们会增聘人手。朗文写作活用〔Basket Maker〕Any of several early periods of Anasazi culture preceding the Pueblo periods and characterized by the use of wicker basketry, dry farming, and coiled pottery.编篮文化：早期的几个亚纳萨兹文化之一，它先于普韦布洛时期，以使用柳篮、旱耕和制陶为特色美国传统〔CHANGE/NOT CHANGE〕He has periods of depression, which alternate with frenzied activity. 他时而抑郁，时而亢奋。朗文写作活用〔CLASS〕At our school we have four periods in the morning and three in the afternoon. 我们学校上午上四节课，下午上三节课。朗文写作活用〔Cepheid〕Any of a class of intrinsically variable stars with exceptionally regular periods of light pulsation.造父变星：一类具有极规律的光波震动期的内部可变的星美国传统〔Cheyne-Stokes respiration〕An abnormal type of breathing seen especially in comatose patients, characterized by alternating periods of shallow and deep breathing.薛尼-斯托克司呼吸：尤见于昏迷病人的一种反常的呼吸类型，特征为浅、深呼吸相交替美国传统〔Deepfreeze〕A trademark used for a refrigerator designed to freeze food for long periods.迪普弗里兹：一种冷冻箱的商标名。这种冷冻箱是用来长时间冷冻食物的美国传统〔GET RID OF〕Advances in medical science have eliminated the need for many patients to spend long periods of time in hospital. 医学的进步为许多病人排除了长期住院的需要。朗文写作活用〔LAST〕Eat celery as soon as possible -- it does not keep well for long periods. 把芹菜尽快吃了一放久了不新鲜。朗文写作活用〔MENTALLY ILL〕She suffers from periods of deep depression, when she locks herself away and will speak to no one for weeks. 她患有严重的阶段性抑郁症，发病时她会把自己关在屋内，一连几个星期不与别人说话。朗文写作活用〔REST〕Don't stay in front of the computer for long periods of time -- take a rest occasionally. 别长时间待在电脑前面—偶尔要休息休息。朗文写作活用〔SURVIVE〕Liz Taylor has survived several broken marriages, as well as periods of drug and alcohol addiction. 利兹·泰勒经历了好几次失败的婚姻，又多次吸毒、酗酒，但都挺过来了。朗文写作活用〔TIME〕You shouldn't sit in front of a computer screen for long periods without a break. 你不该坐在电脑屏幕前长时间不休息。朗文写作活用〔TYPE〕Doctors are reluctant to prescribe a new class of drugs, especially ones which need to be taken for long periods of time. 医生不愿意开新品种的药，尤其是那些需要长期服用的药物。朗文写作活用〔USE〕Batteries which are unused for long periods may have to be recharged. 长久没有使用的电池可能需要重新充电。朗文写作活用〔abroad〕Colin's work took him abroad for short periods.科林由于工作原因多次短期出国。外研社新世纪〔ague〕A febrile condition in which there are alternating periods of chills, fever, and sweating. Used chiefly in reference to the fevers associated with malaria.疟疾热：交替有发冷、发烧和出汗现象的发热症状。主要指和疟疾有关的发烧美国传统〔allosaur〕Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.跃龙，异龙：侏罗纪晚期和白垩纪早期任一种食肉恐龙，形似霸王龙但体型较小美国传统〔alternate〕Periods of depression alternate with excited behavior.沮丧期与兴奋交替出现。朗文当代〔alternate〕He alternates between periods of calm and periods of maximum stress.他时而沉着镇静, 时而无比紧张。外研社新世纪〔alternate〕Her aggressive moods alternated with periods of calm.她情绪多变, 时而咄咄逼人, 时而冷静平和。外研社新世纪〔amnesia〕After the accident he suffered periods of amnesia.那起事故后，他患了失忆症，发作了几次。剑桥高阶〔anabiosis〕A state of suspended animation, especially one in which certain aquatic invertebrates are able to survive long periods of drought.失水休眠：一种休眠状态，特别指某些水生非脊椎动物能够经受长时间干旱的状态美国传统〔anestrus〕An interval of sexual inactivity between two periods of estrus in mammals that breed cyclically.非求偶期，不动情期：周期繁殖的哺乳动物在两个求偶期之间的不动情期美国传统〔azoic〕Of or relating to geologic periods that precede the appearance of life.无生的：生命出现之前的地质时期的或与生命出现之前的地质时期有关的美国传统〔between〕I've had a few jobs with long periods of unemployment in between.我做过几份工作，中间有几次失业了很长时间。朗文当代〔blank〕The goalie blanked the Falcons for two periods in the hockey game.在那场冰球比赛中，守门员两节内没让猎鹰队得分。韦氏高阶〔blasting〕You are unlikely to run the heater at full blast for long periods.你不太可能长时间把加热器开到最大挡位。柯林斯高阶〔blast〕You are unlikely to run the heater at full blast for long periods.你不大可能把暖气长时间地开到最高温度。外研社新世纪〔break down〕The author has broken down the nation's history into three distinct periods.作者把这个国家的历史分为三个不同的时期。韦氏高阶〔brownout〕Peak usage periods, such as extreme cold weather, have been known to spark brownouts.我们已经知道在用电高峰期，比如严寒的冬天，会有供电不足的情况发生。剑桥高阶〔coal measures〕Coal Measures A stratigraphic unit equivalent to the Pennsylvanian or Upper Carboniferous periods. Coal Measures 煤系：地层单位，相当于美国宾夕法尼亚纪或上石炭纪时期的地层单位美国传统〔coalification〕Compression and hardening over long periods of time, the processes by which coal is formed from plant materials.煤化作用：经过长期压缩和硬化，植物成煤的过程美国传统〔condemn〕His occupation condemned him to spend long periods of time away from his family.他的职业迫使他长时间地离开家人。朗文当代〔confine〕Many prisoners are confined to their cells for long periods of time.许多犯人被长期禁闭在牢房里。麦克米伦高阶〔consist〕That area's future weather pattern might consist of long, dry periods.那地区未来的天气可能会出现长期的干旱。英汉大词典〔consummation〕Periodic reports for periods ending prior to the consummation of the merger should be filed as they become due.兼并结束前的期末定期报告到期应归档。外研社新世纪〔cover crop〕A crop, such as winter rye or clover, planted between periods of regular crop production to prevent soil erosion and provide humus or nitrogen.间作：在常规农作物生长间期内种植的农作物，比如冬麦或三叶草，以预防土壤侵蚀并能提供腐殖质和氮美国传统〔cover〕It's your responsibility to arrange adequate cover for holiday periods.为假日期间安排好充足的替补人员是你的责任。朗文当代〔cyclothymia〕A mild affective disorder characterized by alternating periods of elation and depression.躁郁症：一种精神上的狂乱，其特点为愉快情绪与抑郁情绪交替出现美国传统〔deferral〕The deferral of income-tax payments over these long periods has been of great dollar advantage.拖延这么长时间支付所得税会很占便宜。外研社新世纪〔differentiate〕What differentiates these two periods of history? 是什么使这两段历史时期有所不同？朗文当代〔disconnect〕He has periods when he disconnects into silences.他不时离群索居一段时间,杳无音讯。英汉大词典〔distanced〕There were periods of sulking, of pronounced distance, of coldness.沉闷、明显不友好和冷淡的场面多次出现。柯林斯高阶〔dizzy〕I suffer from dizzy spells(= short periods when I am dizzy).我患有阵发性头晕。牛津高阶〔doom〕His crippled leg doomed him to long periods of unemployment.他的瘸腿注定他要长期失业。英汉大词典〔duty〕He did three tours of duty in Vietnam (=three periods working in a foreign country as a soldier, government officer etc) .他曾三次在越南服役。朗文当代〔ease〕They knew only brief periods of financial ease.他们难得有经济宽裕的时候。英汉大词典〔elevation〕He was subject to periods of elevation and wretched depression.他时而兴高采烈,时而垂头丧气。英汉大词典〔era〕The longest division of geologic time, made up of one or more periods.纪元：地质年代最长的划分，由一个或多个阶段组成美国传统〔esprit de corps〕His leadership kept the team's esprit de corps intact during difficult periods.他的领导使得这个团队在困难时期仍保持团队精神。剑桥高阶〔even out〕The economy had good periods and bad periods, but it all evened out by the end of the year.经济情况时好时坏，但在年末时达到均衡。韦氏高阶〔expiry〕You will have to purchase top-up vouchers to keep the SIM active, and the calling credit has set expiry periods.你需要购买充值卡充值才能保证SIM卡处于激活状态, 此外, 呼叫余额是设定了有效期限的。外研社新世纪〔extended〕Try to avoid extended periods of time at the computer.要尽力避免使用电脑时间过长。麦克米伦高阶〔extra〕Extra staff have been taken on to cover busy periods.额外雇用了一些员工来应付繁忙时期。柯林斯高阶〔flight〕These hawks are magnificent in flight, soaring and circling for long periods.这些鹰飞行能力极其出色，可以长时间在空中翱翔和盘旋。柯林斯高阶〔free〕I used to write during my free periods at school.过去我经常在课余时间写作。柯林斯高阶〔fudge〕He tried to fudge the issue by saying that he did not want to specify periods.他说他不想规定时间，试图以此来回避这个问题。朗文当代〔gloom〕He was often subject to periods of gloom.他经常会感到忧郁。韦氏高阶〔gorge〕Lions alternate heavy gorges with periods of fasting.狮子每饱餐一顿后总有一段时间不吃东西。英汉大词典〔group together〕The paintings have been grouped together according to the style of different periods of the artist’s life.将该画家的作品根据他生活的不同时期进行了归类。21世纪英汉〔grow apart〕We didn't see each other for long periods and grew apart.我们很长时间没有见面, 变得疏远了。外研社新世纪〔gruesomely〕He has spent periods in prison, where he was gruesomely tortured.他坐过几次牢, 在牢里受到过非人的折磨。外研社新世纪〔gruesomely〕He has spent periods in prison, where he was gruesomely tortured.他坐过几次牢，在牢里受到非人的折磨。柯林斯高阶〔half〕One of the two playing periods into which certain games are divided.半场：某些体育比赛被划分成两个阶段，其中之一被称为半场美国传统〔hatch〕During these periods the birds will lie on the cage floor as if trying to lay or hatch eggs.这些时期，鸟儿会趴在笼底，好像在下蛋或孵蛋。柯林斯高阶〔heat〕The seas store heat and release it gradually during cold periods.海洋储存热量，并在寒冷季节里慢慢地把它释放出来。柯林斯高阶〔heteromorphic〕Having different forms at different periods of the life cycle, as in stages of insect metamorphosis.异态的：在生命周期中的不同阶段有不同的形态的，如在昆虫变形的阶段美国传统〔idle〕Valuable machinery is left to lie idle for long periods.昂贵的机器长期处于闲置状态。麦克米伦高阶〔inactive〕The players have comparatively long periods of inactivity.这些运动员闲着的时间相对较长。柯林斯高阶〔inactivity〕The job entailed long periods of inactivity.这工作需要长时间待着不动。牛津搭配〔inactivity〕The players have comparatively long periods of inactivity.运动员有几个比较长的休整期。外研社新世纪〔incoherence〕The patient experiences periods of incoherence.病人发病期间说话含糊不清。韦氏高阶〔inning〕Baseball One of nine divisions or periods of a regulation game, in which each team has a turn at bat as limited by three outs.【棒球】 一局：循环比赛中九局中的一局，其间每个队都有一次以三次出局为限的击球机会美国传统〔inspirit〕Unconquerable jests have inspirited men's hearts in long periods of disaster.在长期的灾难中,无可抑制的戏言不断振奋着人心。英汉大词典〔interchange with〕The sunshine interchanges with periods of light rain.天气时而放晴，时而有小雨。21世纪英汉〔interrupt〕Every summer periods of cool weather occasionally interrupt the intense heat.每年夏天，偶尔会有凉爽的天气来消退酷暑的高温。韦氏高阶〔interrupt〕The intense heat is occasionally interrupted by periods of cool weather.酷暑的高温偶尔被凉爽的天气消退。韦氏高阶〔jarring〕Protect your hips by avoiding jarring, repetitive exercises over long periods.可以通过避免长时间、重复性的摇摆练习来保护臀部。外研社新世纪〔leave〕Students were left to their own devices (=left alone and allowed to do whatever they wanted) for long periods.学生们经常是很长时间没有人管，想干什么就干什么。朗文当代〔leave〕The free-market economy, left to itself, is subject to periods of inflation.自由市场经济, 如果任其自由发展, 会出现通货膨胀期。外研社新世纪〔long〕She finds it hard to sit still for long periods of time.她发现长时间坐着不动十分困难。韦氏高阶〔low〕If your body weight drops too low, your periods will stop.如果体重变得太轻的话, 就会停经。外研社新世纪〔moody〕Subject to periods of depression; sulky.一段时期内郁闷的；抑郁的美国传统〔mood〕She was in one of her moods(= one of her regular periods of being angry or impatient).她又闹情绪了。牛津高阶〔motionless〕The birds can stand motionless, scrutinizing the water, for long periods.那些鸟儿能长时间一动不动地站着, 仔细盯着水面。外研社新世纪〔moulder〕Long periods of sickness caused his memory to moulder.多次长期患病使他记忆衰退了。英汉大词典〔obstetrics〕The training covers extended periods in obstetrics and gynaecology.培训涵盖了产科学和妇科学中的多个时期。外研社新世纪〔obstetrics〕The training covers extended periods in obstetrics and gynaecology.该培训包括产科学和妇科学的增加课时。柯林斯高阶〔off-duty〕Of or relating to the periods when a person is not engaged in or responsible for assigned work.不在值班时间的：不在工作或未负责指定工作的时间的或其相关的美国传统〔off-peak〕Telephone charges are lower during off-peak periods .非高峰时段电话收费要低一些。朗文当代〔off-peak〕They always vacation during off-peak periods.他们总在淡季休假。韦氏高阶〔old〕Often Old Abbr. O,o.Being the earlier or earliest of two or more related objects, stages, versions, or periods. 常作 Old 缩写 O,o.较早的：两个或更多个相关事物、阶段、版本或阶段中较早的或最早的一个的美国传统〔oneself〕It is difficult to make oneself concentrate for long periods.让自己长时间聚精会神是很困难的。牛津高阶〔orthogenesis〕The theory that all cultures pass through sequential periods in the same order.直向演化论：关于所有文化都以相同的顺序经过一系列时期演化而成的理论美国传统〔outlook〕The outlook for the weekend is unsettled, with periods of heavy rain.周末的天气情况不稳定，有时有大雨。朗文当代〔overeat〕She went through periods of compulsive overeating.她经历了强迫性暴食的几个阶段。牛津高阶〔pair〕Having an extra pair of hands during busy periods can take the pressure off.繁忙时段多一个帮手可以减轻压力。朗文当代〔peak〕During peak periods, reservations are difficult to make at some of the hotels.在高峰时期，有些酒店很难预订到房间。柯林斯高阶〔peak〕March is one of the peak periods for our business.三月是我们公司业务最繁忙的时期之一。牛津高阶〔peak〕Traffic congestion is really bad at peak periods (= when it is busiest).交通拥挤状况在高峰时段真是糟糕透了。剑桥高阶〔penalty〕People who lose their jobs are suffering the penalties for longer periods.失业者遭受的痛苦时间更长。牛津搭配〔period〕Are your periods regular? 你经期正常吗? 英汉大词典〔period〕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。英汉大词典〔period〕Her work means that she spends long periods away from home.她的工作意味着她得长时间离家在外。剑桥高阶〔period〕I was twelve years old when I started my periods.我十二岁月经初潮。朗文当代〔period〕Scattered showers are expected with a few periods of sunshine.预计未来一段时间内天晴，间有零星小雨。韦氏高阶〔period〕Teachers these days don't get many free periods.如今教师空课很少。英汉大词典〔period〕The aim is to reduce traffic at peak periods.目的是降低高峰时段的交通流量。牛津高阶〔period〕The score was tied after two periods.两局后比分持平。韦氏高阶〔period〕There were five periods of French a week.每周有五节法语课。外研社新世纪〔period〕They accompanied him during his exercise periods.他练习的时候有他们陪着。外研社新世纪〔period〕They accompanied him during his exercise periods.练习的时候他们陪着他。柯林斯高阶〔period〕Tomorrow's weather will be dry with sunny periods.明天天气干燥，间或晴朗。朗文当代〔period〕We have six periods of science a week.我们一周有6节自然科学课。剑桥高阶〔period〕We have two periods of music a week.我们每星期上两节音乐课。英汉大词典〔peripheral vascular disease〕Walking for gradually longer periods of time until pain appears is part of the treatment for peripheral vascular disease.逐渐加长行走距离直到感觉疼痛为止是治疗周围性血管疾病的一部分。剑桥高阶〔prevail〕Different doctrines prevail at different periods.不同时期盛行不同的教义。外研社新世纪〔privation〕The country has suffered through long periods of economic privation.这个国家遭受了长时期的经济匮乏。韦氏高阶〔programer〕Insects possess a biological clock that programmes the insect's growth,reproduction and dormant periods.昆虫具有一种生物钟，它会按照遗传密码控制昆虫的生长、繁殖和休眠期。21世纪英汉〔program〕Insects possess a biological clock that programs the insect's growth, reproduction, and dormant periods.昆虫具有一种生物钟,它会按照遗传密码控制昆虫的生长、繁殖和休眠期。英汉大词典〔pterodactyl〕Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.翼手龙：任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期美国传统〔punctuated equilibrium〕The theory that speciation occurs in spurts of major genetic alterations that punctuate long periods of little change.断续性平衡理论：一种理论，指物种每隔一次较短期的基因急剧变化后，就会出现一段长时期相当稳定的状态美国传统〔quarter〕Sports One of four equal periods of playing time into which some games, such as football and basketball, are divided.【体育运动】 一节：在一些比赛中，如橄榄球和篮球，被平分成四等份的比赛时间中的一份美国传统〔rain〕There will be showers of rain/rain showers (= short periods of rain) in the east.东部地区将有阵雨。剑桥高阶〔reading〕We assign readings from different contexts and periods of history.我们根据不同的背景和历史时期来指定读物。牛津搭配〔regular〕Having bowel movements or menstrual periods with normal or healthy frequency.恒常的：具有正常或健康的频率的肠胃运动或月经周期的美国传统〔relay〕His questioners worked on him in relays over periods which lasted ten or twelve hours at a stretch.审讯人员轮流对他进行审讯,一审就是10小时或者12小时。英汉大词典〔representational〕His painting went through both representational and abstract periods.他的绘画经历了具象风格和抽象风格两个阶段。柯林斯高阶〔represent〕The pieces on view are not grouped around any one theme, but rather represent superb examples from various periods.展出的作品并非围绕着一个主题，而是不同时期的经典之作。柯林斯高阶〔sauropod〕Any of various large semiaquatic dinosaurs of the suborder Sauropoda, of the Jurassic and Cretaceous periods.蜥脚类动物：侏罗纪和白垩纪的蜥脚亚目大型半水生恐龙美国传统〔scattered〕There will be some scattered showers (=short periods of rain) in the afternoon.下午将有零星阵雨。朗文当代〔sclerotium〕A dense mass of branched hyphae, as in certain fungi, that contain stored food and are capable of remaining dormant for long periods.菌核：如在真菌中的分枝菌丝的稠密群，能储存食物及长时间保持休眠状态美国传统〔sculptural〕The sculptural style of the classical and Hellenistic periods.古典和古希腊时期的雕塑风格柯林斯高阶〔seakeeping〕The ability of a vessel to navigate safely at sea for prolonged periods during stormy weather.适航力：指恶劣天候中，船只能在海上安全地延长航行时间的能力美国传统〔separateness〕They had undoubtedly made progress in the six years that separated the two periods.毫无疑问，他们在这两个时期相隔的 6 年间取得了进展。柯林斯高阶〔separation〕During the war many couples had to endure long periods of separation (= not being together).战争期间，很多夫妇不得不忍受长期分离之苦。剑桥高阶〔short-day〕Of, relating to, or being a plant that flowers only after exposure to light periods shorter than a certain critical length, as in early spring or fall.短日照的：一种只有接受比某一临界时间很短的光照期照射后比如在早春或秋天才能开花的植物的，与这种植物有关的，是这种植物的美国传统〔shoulder〕Fares come down for the September-October and April-May shoulder periods.在九至十月份和四至五月份的两个峰肩期内,飞机票价都要下跌。英汉大词典〔slackness〕The workload can be evened out, instead of the shop having busy times and slack periods.商其工作量可以平均开来，不像商店那样有时很忙，有时很闲。柯林斯高阶〔sobriety〕John had periods of sobriety, but always went back to drinking.约翰也有清醒的时候，但每次总是又回到酗酒的老习惯。朗文当代〔spell〕I keep having/getting dizzy spells (= periods of feeling as if I'm turning around).我一阵一阵地头晕。剑桥高阶〔split shift〕A working shift divided into two or more periods of time, such as morning and evening, with a break of several hours between them.两班制，换班制，轮班制：指工作时间分成两段或几段的轮班，如早班和晚班，其间相隔几小时的时间美国传统〔staggered〕During the past few years the government has staggered the summer vacation periods for students.在过去几年里，政府将学生放暑假的时间相互错开。柯林斯高阶〔stasis〕His art was characterized by bursts of creativity followed by long periods of stasis.他的艺术特点是一时创意迸发接着长期停滞。韦氏高阶〔sticky〕A sticky site lets the visitor bounce around for long periods of time.吸引人的网站会使得访客在上面浏览很长一段时间。外研社新世纪〔suffer〕About one fifth of adults have suffered occasional periods of unemployment.约有1/5的成年人有过偶尔几次的失业经历。麦克米伦高阶〔sustain〕Sustaining an uncomfortable position for prolonged periods creates bad posture.长期保持不舒服的姿势会使得体态不优美。外研社新世纪〔sustenance〕Tree bark provides deer with sustenance in periods of drought.在干旱时期，鹿靠啃树皮活下来。韦氏高阶〔synchronous〕Having identical periods.同时期的美国传统〔taught〕I have been teaching four periods already this morning.今天上午我已经上了四堂课了。21世纪英汉〔therapsid〕Any of various reptiles of the order Therapsida of the Permian and Triassic periods, many of which are considered to be direct ancestors of mammals.兽孔类：二叠纪和三迭纪的兽孔类爬行动物中的一种，它们中的许多种被认为是哺乳动物的直接祖先美国传统〔theropod〕Any of various carnivorous dinosaurs of the suborder Theropoda, of the Jurassic and Cretaceous periods, characterized by short forelimbs.兽角类：生活于侏罗纪和白垩纪且以其短的前肢为特征的兽角亚目食肉性恐龙美国传统〔tropophyte〕A plant adapted to climatic conditions in which periods of heavy rainfall alternate with periods of drought.湿旱生植物：适应大量降雨期和干旱期交替性气候的植物美国传统〔unused〕The meeting rooms are left unused for long periods.这些会议室已经好长时间没用了。牛津搭配〔ups and downs〕Alternating periods of good and bad fortune or spirits.沉浮，兴衰：好运和坏运（或好心情和坏心情）的交替变换的时期美国传统〔verdigris〕A green patina or crust of copper sulfate or copper chloride formed on copper, brass, and bronze exposed to air or seawater for long periods of time.铜绿：在长期放置于空气或海水中的铜、黄铜和青铜上形成的绿锈或硫酸铜、氯化铜的沉淀物美国传统〔waste〕In the northwest of China, long dry periods wasted the land.在中国西北，长期的干旱使土地荒废了。21世纪英汉〔watch〕Any of the periods into which the night is divided; a part of the night.更：夜晚被划分成几段之任一段；夜晚的一部分美国传统〔watch〕Any of the periods of time into which the day aboard ship is divided and during which a part of the crew is assigned to duty.值班时间：一天中被划分的要求部分船员在甲板上值班的那段时间美国传统〔water〕The river is difficult to cross during periods of high water.涨水的时候这条河很难过去。剑桥高阶〔withdrawal〕Her periods of withdrawal increased.她自闭的周期增加了。外研社新世纪Bosses should take advantage of periods of dead time to rethink jobs, and tune up departments.老板应该利用窝工时间重新考虑如何安排工作和调整部门。牛津商务Couples forced to spend long periods apart should write to each other, the ideal (=the best way of behaving) being two long letters a week.长期两地分居的夫妻应该互相写信，一星期两封长信最为理想。剑桥国际Drying (= Removing liquid from) fruit, vegetables and milk is one way of preserving them for long periods.让水果、蔬菜和牛奶中的水分蒸发是使它们能长期保存的一种方法。剑桥国际During peak periods she has a punishing (= very tiring) schedule of five presentations a day.在她最走红的时期，她有着繁重的日程安排，一天要演出5 场。剑桥国际During the war many couples had to endure long periods of separation (= not being together).战争期间，许多夫妇不得不忍受长时间的分离。剑桥国际Her work means that she spends long periods away from home.她工作就意味着她长时间离开家。剑桥国际His leadership kept the team's esprit de corps intact during difficult periods.他的领导使队员在困难时期保持团结。剑桥国际I keep having/getting dizzy spells (= periods of feeling as if I'm spinning around), doctor.医生，我经常会感到一阵头晕。剑桥国际In his later life he suffered periods of amnesia.他在晚年患有间歇性的遗忘症。剑桥国际Invariably, strong periods in an economy give way to recession.经济中的强盛期总要让位于衰退期。剑桥国际It's cheaper to travel in off-peak periods (= times which are not so busy).在非高峰期旅游便宜一些。剑桥国际Manic depressives may veer back and forth between periods of destructive behavior and the appearance of normality.狂躁抑郁症可能表现为一时的破坏行为，一时的表现正常，如此反复转变。剑桥国际Most of the time she seems confused, but she does have occasional periods of lucidness (= when she is thinking and speaking clearly).她通常思维混乱，但偶然也有清晰的时候。剑桥国际Nicki and Steve have had a lot of broken nights (= nights with only short periods of sleep) since their baby was born.自从尼基和史蒂夫有了孩子后，他们许多晚上睡眠都被打断。剑桥国际She went through periods of bingeing (also binge-eating).她经历过周期性的暴食。剑桥国际She's very nice, but only in small doses (= She is pleasant to be with for short periods of time).和她在一起很快乐，但只是一会儿。剑桥国际Sitting badly for long periods of time can deform your spine.长期坐姿不正会使你的脊椎变形。剑桥国际Staff with annual hours contracts work longer hours during busier periods of the year.签订按工时付年薪合同的员工，在一年中的繁忙季节工作的时间更长。牛津商务Symptoms of the disease include periods of restlessness and exaggerated movements of the arms and legs.这种疾病的症状包括间歇的焦躁及胳膊和腿的夸张动作。剑桥国际The criminal faced segregation for unfixed periods. 这个罪犯面临无期隔离监禁。译典通The portrait was finished after only three sittings (= periods spent by a model being painted).三次被画后，这张肖像就完成了。剑桥国际There is a lack of job security in professions such as acting and journalism in which people are only employed for short periods of time.演员和记者的工作缺乏保障，他们只是被短期雇佣。剑桥国际There is a worldwide increase in the number of malignant (= harmful) melanomas, particularly in places where people are exposed to the sun for long periods.恶性黑素瘤的数量在全球增长，特别是在人们长期暴露于阳光中的地区。剑桥国际There will be showers of rain/rain showers (= short periods of rain) in the east.东部将有阵雨。剑桥国际This painting has been in the family for generations (= several periods of time during which babies have become adults).这幅画保存于家中已有好几代了。剑桥国际This week is one of the busiest periods of the year.本周是一年中最繁忙的时期之一。牛津商务Traffic congestion is really bad at peak (= the most busy) periods.交通拥挤在高峰时间真是糟糕。剑桥国际Trains are very overcrowded in peak periods.高峰期火车拥挤不堪。剑桥国际Two thirds of the continent was covered in ice during glacial periods. 该大陆的三分之二地区在冰河时代被冰覆盖著。译典通We have four periods of English a week. 我们每星期上四节英语课。译典通We have six periods of science a week.一周我们上6 节理科课程。剑桥国际When the hotel is full, dinner is served in two sittings (= periods in which a number of people eat a meal).当旅馆客满时，正餐分两批进行。剑桥国际With brief periods of remission , the insurance company has been in crisis ever since the early 1990s.自 20 世纪 90 年代初以来，这家保险公司一直处于危机之中，期间只有几次短暂的缓解期。牛津商务Working hours and rest periods should only be changed by collective agreement.工作时间和休息时间只应通过集体协议修改。牛津商务 |
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