| 词汇 | speed |
| 释义 | speed noun uk /spiːd/ us /spiːd/ speednoun (RATE OF MOVEMENT)B1[ C or U ] how fast something moves: 速度，速率 He was travelling at a speed of 90 mph.他以每小时90英里的速度行进。 The car has a top speed of 155 miles per hour.这辆汽车的最高时速是155英里。 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)有两挡速度的电钻 slowly slowlyI got out of bed and walked slowly to the door. slowGo slower! I can't keep up. at a slow paceThey are easy hikes, done at a slow pace. at a slow speedYou only have to hit a pedestrian at a slow speed to kill them. at slow rateThe economy grew at a slower rate during the second half of the year. B2[ U ] 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。 [ U ] 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.这么快就得到了答复，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3亿米。 These planes travel at twice the speed of sound.这些飞机以两倍音速飞行。 [ C ] a gear: 排挡，变速器 a bicycle with ten speeds有10挡速度的自行车 a ten-speed bicycle十速自行车 [ C ] the rate at which a photographic film absorbs or reacts to light: （胶片的）感亮度 What speed film do I need for taking photographs indoors?我在室内拍照片需要感亮度为多少的胶卷？ 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 The hummingbird beats its wings at great speed.蜂鸟高速振动翅膀。 With this drill it's possible to adjust the speed of rotation. The engine shuts off automatically when the desired speed is reached.达到设定的速度后，发动机会自动关闭。 Slack off your speed as you approach the corner.接近拐角时，你要放慢速度。 The police car drove past at a terrific speed.警车疾驶而过。 Speed of motion at full/half throttleidiom briskness burst burst of speed celerity clip ground speed haste hypersonic hypervelocity instantaneous velocity light speed momentum pace speed of light speed of sound speediness supersonically swiftness throttle You can also find related words, phrases, and synonyms in the topics: Hurrying and doing things quickly Fast and rapid The engine & engine parts Bicycles Photography speednoun (DRUG)[ U ] slang foramphetamine (= a drug that makes the mind or body more active): 苯丙胺，安非他明（一种兴奋剂） She was on speed at the time.她当时服了安非他明。 Specific types of drug acaricide alprazolam amnesiac anaphrodisiac anti-AIDS Dexedrine digoxin dissociative E, e ecstasy gas and air heroin pep pill popper roach smack tetrahydrocannabinol truth serum visionary Xanax GrammarMeasurements We use the nouns length, width, depth and height and the adjectives long, wide, deep and high to talk about area and size: … Area: length, width, depth and height We use the nouns length, width, depth and height and the adjectives long, wide, deep and high to talk about area and size: … Weight and volume We use the verb weigh to measure weight: … Frequency, speed, time We use many different expressions to describe frequency, speed and time. Here are some of them: … Idiomup to speed speed verb[ I or T, usually+ adv/prep ] uk /spiːd/ us /spiːd/sped or speeded | sped or speeded 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多英里的速度飞驰。 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.救护车载着伤员飞速驶离现场。 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。 to move fast speedHe ran back to his car and sped off. raceShe raced over and hugged me. flyShe flew across the room just in time to stop the baby falling off the chair. beltUKTraffic was belting along the motorway. tearA fire truck came tearing down the road. streakBullets streaked across the sky. be speeding to be driving faster than you are legally allowed to do: 违法超速行驶 He was caught speeding.他超速行驶被抓住了。 O'er land and sea they sped.他们飞越陆地和海洋。 The car pulled off and sped up the road.车开动起来，在公路上加快了速度。 The train sped through the station with a whoosh.火车呼啸着飞速驶过车站。 We are trying to speed investment in the area. Four boys on motorbikes came speeding down the road. Increasing and decreasing speed of motion accelerant accelerate accelerating acceleration accelerative brake catch catch (someone) up gun isolator non-accelerating pickup put your foot downidiom quicken retard speed (something) up spurt step on the gasidiom throttle (something) back/down upshift You can also find related words, phrases, and synonyms in the topics: On the road: driving & operating road vehicles Crime - general words Phrasal verbspeed (something) up speed | American Dictionaryspeed noun[ C/U ] us/spid/ (a) rate at which something moves or happens: [ C ]a speed of 25 miles per hour [ U ]Both cars were traveling at high speed. [ U ]They came racing down the hill at top speed (= as fast as they could go). [ U ]The processing speed of my new computer is much faster. [ C ]This electric drill has two speeds (= rates at which it turns). physics Speed is also the rate at which something travels, expressed as the number of meters in a second. A speed is also a gear (= part that controls the rate at which a vehicle moves): [ C ]I have a ten-speed bicycle. speedilyadverbus/ˈspi·dəl·i/ The error can be speedily corrected. speed verb[ I/T ] us/spid/past tense and past participlespedus/sped/speeded to move, go, or happen fast, or to cause something to happen fast: [ I ]The train sped along at over 120 miles per hour. [ I ]This year seems to be speeding by/past. [ T ]Ambulances sped the injured people (= moved them quickly) away from the scene. Phrasal verbspeed up (something) speed | Business Englishspeed noun uk /spiːd/us [ C or U ] IT, INTERNET the rate at which a computer or an internet connection operates and provides information: Increase the speed of your computer with our new software. How do I verify my computer's CPU speed? First you need to find out what your internet connection speed is. up to speed if you are up to speed with a subject or activity, you have all the latest information necessary to understand or do something well: A few days training on the new computer system will get you up to speed. Before we start the meeting I'm going to bring you up to speed with the latest developments. Examples of speedspeed We find that for zero or moderate surface tension the speed at which a drop or plume rises increases algebraically with time. The role of flowcontrol valve and quick exhaust valve are to control the speed of piston. By knowing the remaining distance and other motion conditions, we only increase the speed if we can meet the terminal conditions. The reversal is supposed to start instantaneously and to run at exactly the same speed as the forward simulation. Recall that structural models of processing capacity also include the construct of processing speed. Empirical studies on the speed of convergence of neural network training using genetic algorithms. We used tasks that measure speed of information processing as well as tasks that measure non-speed related memory processes. The transitions in this region emerged with what appears as possibly unparalleled speed. Some values of the maximum speed of the vertical velocity inside and outside the front are also given in table 1. However, since these effects were not consistent across ages, whether co-referencing complexity alone is driving sentence-processing speed is unclear. In the present study, we presented audiotaped stories that varied in presentation speed (normal rate, storyteller rate, and slow rate) to each participant. Even high speed cutting of light metal alloys should be possible with close tolerances. This way, it is possible to speed up the data transfer from one application to the other. However, we also construct maps which mix at various other slow speeds, with a more precise meaning of slow as given below. In effect, though, these are no more than three different periodicities: different aspects of history are proceeding at different speeds. See all examples of speed These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withspeedspeedThese are words often used in combination with speed. Click on a collocation to see more examples of it. amazing speed All were termed corvettes, and travelled at an amazingspeed. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 astonishing speed Now, with an astonishing speed, the immorality that used to be known to just a few of us is being discovered by most people. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 average speed The averagespeed was c. 1-1.5 km h-1. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with speed |
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