speed
- n.(发生或进行的)速度;快;(运动的)速率;迅速;快门速度;进度;感光度;排挡;苯丙胺，安非他明（一种兴奋剂）
- v.加速;促进;超速驾驶;快速运送;快速前行
复数： speeds 过去式： sped; speeded 现在分词： speeding 过去分词： sped; speeded 第三人称单数： speeds
speednoun
运动 / 行动速率 rate of movement/action
（运动的）速度，速率
the rate at which sb/sth moves or travels
He reduced speed and turned sharp left.
他减慢速度，向左急转。
The train began to pick up speed (= go faster) .
火车开始加速。
The car was gathering speed .
汽车逐渐加速。
a speed of 50 mph/80 kph
每小时50英里 / 80公里的速度
at high/low/full/top speed
以高 / 低 / 全 / 最高速
at breakneck speed (= fast in a way that is dangerous)
以不要命的速度
travelling at the speed of light/sound
以光速 / 音速行进
（发生或进行的）速度；进度
the rate at which sth happens or is done
the processing speed of the computer
计算机的处理速度
This course is designed so that students can progress at their own speed.
这门课的设计思路是让学生自己掌握进度。
We aim to increase the speed of delivery (= how quickly goods are sent) .
我们力争提高送货速度。
快；迅速
the quality of being quick or rapid
The accident was due to excessive speed.
事故的原因在于速度过快。
She was overtaken by the speed of events (= things happened more quickly than she expected) .
事态发展迅速为她始料所不及。
A car flashed past them at speed (= fast) .
一辆汽车从他们身边疾驰而过。
摄影 in photography
感光度
a measurement of how sensitive film for cameras, etc. is to light
快门速度
the time taken by a camera shutter to open and close
shutter speeds
快门速度
自行车；汽车 on bicycle/car
排挡；速
a gear on a bicycle, in a car, etc.
a four-speed gearbox
有四挡的变速箱
a ten-speed mountain bike
十速山地自行车
毒品 drug
苯丙胺，安非他明（一种兴奋剂）
an illegal amphetamine drug that is taken to give feelings of excitement and energy
with as much speed or energy as possible
a sudden increase in your speed or rate of progress; the ability to suddenly increase your speed
他在最后一圈猛然加速。
He put on an impressive turn of speed in the last lap.
verb
快速运动 / 发生 move/happen quickly
快速前行
to move along quickly
He sped away on his bike.
他飞快地骑着车走了。
快速运送
to take sb/sth somewhere very quickly, especially in a vehicle
The cab speeded them into the centre of the city.
出租汽车载着他们迅速驶往市中心。
加速；促进
to make sth happen more quickly
The drugs will speed her recovery.
这些药会促进她的康复。
超速驾驶 drive too fast
超速驾驶；超速行驶
to drive faster than the speed that is legally allowed
The police caught him speeding.
警察发现他超速行驶。
（使）加速
to move or happen faster; to make sth move or happen faster
The train soon speeded up.
火车很快加速了。
Can you try and speed things up a bit?
你能不能设法加快一点事情的进度？
speed
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N-VAR (运动、运行的)速度，速率
The speed of something is the rate at which it moves or travels.He drove off at high speed...
他驱车飞驰而去。
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3
N-COUNT (某事发生或进展的)速度，进度
The speed of something is the rate at which it happens or is done.In the late 1850s the speed of technological change quickened...
19 世纪 50 年代末期，技术变革的速度加快了。
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N-UNCOUNT (指运动、运行的)高速，快速
Speed is very fast movement or travel.Speed is the essential ingredient of all athletics...
速度是所有田径运动项目的关键要素。
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N-UNCOUNT (指某事发生或进展时的)高速，快速
Speed is a very fast rate at which something happens or is done.I was amazed at his speed of working.
他办事之麻利让我深感叹服。
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VERB (尤指坐车)快速行进
If you speed somewhere, you move or travel there quickly, usually in a vehicle.Trains will speed through the Channel Tunnel at 186mph...
火车将以每小时 186 英里的速度快速穿过海峡隧道。
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VERB (驾车者)超速行驶
Someone who is speeding is driving a vehicle faster than the legal speed limit.This man was not qualified to drive and was speeding.
这名男子没有驾驶资格，并且违章超速行驶。
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He was fined for speeding last year.
他去年因超速行驶被罚了款。
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N-UNCOUNT 安非他明(一种兴奋剂)
Speed is an illegal drug such as amphetamine which some people take to increase their energy and excitement. -
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See also:-speed -
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to pick up speed→ see:pick -
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PHRASE 掌握最新情况的
If you are up to speed, you have all the most recent information that you need about something.A day has been set aside to bring all councillors up to speed on the proposal...
已经确定了一个日子，届时将向所有的市政委员汇报有关该建议的最新进展情况。
noun
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1
- changing location rapidly
- Synonym: speeding hurrying
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2
- a central nervous system stimulant that increases energy and decreases appetite;used to treat narcolepsy and some forms of depression
- Synonym: amphetamine pep pill upper
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3
- a rate (usually rapid) at which something happens
- the project advanced with gratifying speed
- Synonym: swiftness fastness
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4
- the ratio of the focal length to the diameter of a (camera) lens system
- Synonym: focal ratio f number stop number
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5
- distance travelled per unit time
- Synonym: velocity
verb
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1
- move faster
- The car accelerated
- Synonym: accelerate speed up quicken
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2
- cause to move faster
- He accelerated the car
- Synonym: accelerate speed up
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3
- move very fast
- The runner zipped past us at breakneck speed
- Synonym: travel rapidly hurry zip
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4
- travel at an excessive or illegal velocity
- I got a ticket for speeding
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5
- move fast
- He rushed down the hall to receive his guests
- The cars raced down the street
- Synonym: rush hotfoot hasten hie race pelt along rush along cannonball along bucket along belt along step on it
数据来源：WordNet
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The course allows students to progress at their own speed .
本课程允许学生按各自的速度学习。
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He was driving at well over the speed limit .
他当时开车的速度远远超过了限制。
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It was announced that new speed restrictions would be introduced .
据宣布，将有新的限速规定出台。
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This course is designed so that students can progress at their own speed .
这门课的设计思路是让学生自己掌握进度。
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It is vital to keep a check on your speed .
经常检查并控制你的车速是至关重要的。
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You should always keep to the speed limit .
什么时候你都不得超过最高速度限制。
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I got done for speeding on my way back .
我在返回的路上因超速行驶而受罚。
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The new speed limit on this road becomes effective from 1 June .
这条路上新的限速规定自6月1日起生效。
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The engine is very noisy at high speed .
这个发动机转速高时噪音非常大。
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The drill has variable speed control .
这钻机有变速控制。
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He was driving without regard to speed limits .
他开着车，根本不理会速度限制。
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They were travelling at a speed that was double the legal limit .
他们正以两倍于法定限速的速度行驶。
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This sport demands both speed and strength .
这项运动既需要速度也需要体力。
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Lack of food and water provided much of the impulsion for their speed .
缺少食物和水促使他们加快了速度。
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Police pursued the car at high speed .
警察高速追赶那辆汽车。
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The drugs will speed her recovery .
这些药会促进她的康复。
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The accident was due to excessive speed .
事故的原因在于速度过快。
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Reduce speed now .
减速行驶。
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The train began to pick up speed .
火车开始加速。
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Hold your speed at 70 .
保持70迈的速度。
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The car was travelling at top speed .
那辆汽车全速行驶。
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The latest computers can work at a blindingly fast speed .
最新的计算机能达到极高的运行速度。
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Pull the lever towards you to adjust the speed .
把操纵杆向你身体一侧拉动以调节速度。
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He was breaking the speed limit .
他违章超速驾驶。
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The penalty for speeding can be a heavy fine .
超速驾驶可能会被处以高额罚款。
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Watch out for sharp bends and adjust your speed accordingly .
当心急转弯并相应调整车速。
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A ship 's speed is measured in knots .
船速以节测量。
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A car flashed past them at speed .
一辆汽车从他们身边疾驰而过。
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The boy was hit by a speeding car .
男孩被超速行驶的汽车撞倒了。
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The train was losing speed .
火车当时正在减速。
普通用词，指交通工具等运动的速率或事情发生的速度。
The train went by at high speed.
火车疾驶而过。
This new plane can reach a speed of 900 kilometres an hour.
这架新飞机的时速可以达到900公里。
We had to increase the speed of delivery.
我们必须加快送货速度。
指人步行的速度，常引申为生活、变化等的速度。
He quickened his pace.
他加快了步伐。
The pace of change has accelerated.
变革的步伐在加速。
In the world today, mankind is progressing at a tremendous pace.
在当今世界，人类进步一日千里。
常指某事在一段时间内发生的速度，可与 speed 换用。
His money was running out at an alarming rate/speed.
他的钱用得很快，速度惊人。
The rate/speed of economic growth has slowed down.
经济增长速度放缓了。
物理学术语，指物体沿着一定方向运动时的速度；作普通意义上的速度解时，则指高速。
The jet plane is flying at the velocity of sound.
喷气机正在以音速飞行。
The students were asked to calculate the velocity of light.
要求学生计算出光的速度。
Leopards can move with an astonishing velocity.
豹子跑起来速度惊人。
指增加速度、速率，尤指频率。
He glanced at his watch and quicken his steps.
他看了一眼手表，加快了脚步。
He felt his heart quicken when he saw Susan.
他看到苏珊时感觉自己心跳加快了。
指某事比预期更快或更早发生时，可作及物或不及物动词；指汽车或人加速时，只作不及物动词。
The urbanization process continued to accelerate.
城市化进程持续加快。
The bad weather accelerated our departure.
坏天气促使我们提前离开。
Her car accelerated smoothly away.
她的车平稳地加速离开。
That runner accelerated suddenly around the bend.
那名赛跑运动员在转弯处突然加速。
多指意外、糟糕之事使某事加速，或让某事提前发生。
His departure was hastened by an emergency.
由于一个突发事件，他提前走了。
His letter hastened the course of the enquiry.
他的来信加快了调查的进程。
Poor medical treatment hastened his death.
糟糕的治疗加速了他的死亡。
指催促某人做某事。
Sorry to rush you, but the board needs these materials by Thursday.
很抱歉催你，只是董事会周四之前需要这些材料。
He felt he was being rushed into making a decision.
他觉得自己是被催着去作决定。
指加快某事的发生、进展等，常指好事。
This incident should speed his decision.
这一事件应该会促使他尽快作出决定。
This new medicine should speed her recovery.
这种新药应该会加快她的康复。
The new measures will speed up the registration process.
这些新措施将加快注册过程。
- 短语动词
- 习语