英语词汇“speed”的翻译、意思、用法、释义-英汉双解词典-霍普软件下载网

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单词 speed
释义 speed
[spi:d] noun
RATE OF MOVEMENT 运动速度
 ESSENTIAL  countable or uncountable
■how fast something moves 速度，速率
•He was travelling at a speed of 90 mph.他以每小时90哩的速度行进。
•The car has a top speed of 155 miles per hour.这辆汽车的最高时速是155哩。
•You should lower / reduce your speed as you approach a junction.接近交叉路口时应该放慢速度。
•On a clear, straight road you can gather / pick up speed.在空旷笔直的公路上可以加速行驶。
•He came off the road while driving his car round a bend at high/breakneck speed (= very fast).他在弯道上开得飞快，结果冲出了公路。
•There are speed restrictions (= controls on how fast traffic is allowed to move) on this part of the road.这段路是限速的。
•an electric drill with two speeds (= rates at which it turns)有两段速度的电钻
 ESSENTIAL  uncountable
■very fast movement 飞速，快速
•I get a real thrill from speed.飞速驾车会让我兴奋不已。
•He put on a sudden burst of speed.他突然加速了。
•Both cars were travelling at speed (= very fast) when the accident happened.事故发生时两辆车的速度都很快。
 ESSENTIAL  uncountable
■how fast something happens （事情发生的）速度，进度
•We were surprised at the speed of the response to our enquiry.这么快就得到了答覆，让我们很惊讶。
•It was the speed at which it all happened that shocked me.令我感到震惊的是整个事情发生得如此之快。
•She got through her work with speed (= quickly) and efficiency.她快速而高效地完成了她的工作。
the speed of light/sound
■the rate at which light or sound travels 光／音速
•The speed of light is 300 million metres per second.光速是每秒钟3亿公尺。
•These planes travel at twice the speed of sound.这些飞机以两倍音速飞行。
countable
■a gear 排档，变速器
•a bicycle with ten speeds有十段速度的脚踏车
•a ten-speed bicycle十速脚踏车
countable
■the rate at which a photographic film absorbs or reacts to light （底片的）感光度
•What speed film do I need for taking photographs indoors?我在室内拍照片需要感光度多少的底片？
shutter speed
■the length of time for which part of a camera is open to allow light to reach the film when a photograph is being taken 快门速度
•a high/low shutter speed高／低快门速度
[spi:d] noun
DRUG 毒品
uncountable informal for
■amphetamine (= a drug that makes the mind or body more active) 苯丙胺，安非他命（一种兴奋剂）
•She was on speed at the time.她当时服了安非他命。
[spi:d] noun
up to speed
■If you are up to speed with a subject or activity, you have all the latest information about it and are able to do it well 了解最新情况；跟上进度
•We arranged for some home tutoring to get him up to speed with the other children in his class.我们安排了一些家庭辅导，以帮助他跟上班里其他孩子的进度。
•Before we start the meeting I'm going to bring you up to speed with the latest developments.在会议开始之前，我想先向大家介绍一下最新的进展。
[spi:d] verb intransitive or transitive [usually + adv/prep] (sped or speeded, sped or speeded)
 IMPROVER 
■to (cause to) move, go or happen fast （使）快速移动；（使）快速前行；加速；促进
•The train sped along at over 120 miles per hour.火车以每小时120多哩的速度飞驰。
•The actress then sped away/off in a waiting car.后来女演员钻进了一辆等候的汽车，迅速离开了。
•We sped down the ski slopes.我们飞速滑下滑雪坡。
•This year is speeding by/past.这一年过得特别快。
•Ambulances sped the injured people (= moved them quickly) away from the scene.救护车载着伤患飞速驶离现场。
•The best thing you can do to speed your recovery (= make it quicker) is to rest.尽快让身体康复的最佳方法就是休息。
be speeding
■to be driving faster than you are legally allowed to do 违法超速驾驶
•He was caught speeding.他超速驾驶被抓到了。
[spi:d] verb intransitive or transitive [usually + adv/prep] (sped or speeded, sped or speeded)
  Phrasal Verbs   [M] speed (sth) up
■to happen or move faster, or to make something happen or move faster （使）加速；提高（…的）速度
•This drug may have the effect of speeding up your heart rate.这种药可能会使你心跳加速。
•Can the job be speeded up in some way?这项工作有没有甚么办法能加快速度呢？
•The tape speeded up towards the end.这卷磁带在接近结尾时速度突然加快了。
•I think you need to speed up a bit (= drive faster) - we're going to be late.我觉得你得开快点——我们要迟到了。
•The economy shows signs of speeding up (= increasing activity).经济呈现出加速成长的迹象。
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