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- ant 611
speed
18 ENTRIES FOUND:
plural speeds
plural speeds
Learner's definition of SPEED
1
: the rate at which someone or something moves or travels（运动）速度
[noncount]
- The trucks gain/gather speed as they drive down the hill. = The trucks pick up speed as they drive down the hill. [=the trucks go faster as they drive down the hill]卡车在下山过程中逐渐加速。
- This instrument measures wind speed.这个仪器可测风速。
- He was running at full/top speed. [=as fast as possible]他全速奔跑。
- The machine was operating at high/medium/low speed.机器在高/中/低速运转。
- traveling at nearly the speed of light/sound以接近光速/音速行进
[count]
- Under the right conditions the car can reach speeds over 200 miles an hour.在合适的条件下，这辆车时速可达到200多英里。
- The vehicle maintained a speed of 40 miles per hour.这辆车曾保持每小时40英里的车速。
2
: the rate at which something happens or is done（某事发生或进行的）速度
[noncount]
- The work was done with remarkable speed.这项工作推进的速度非常快。
- They ate their lunch at lightning speed. [=extremely quickly]他们顷刻间就把午餐吃了。
[count]
- This computer works at a much faster processing speed than my old one.这台电脑的处理速度比我那台旧电脑快得多。
- He types at a speed of about 50 words per minute. = His typing speed is about 50 words per minute.他以大约每分钟50个单词的速度打字。
3
[noncount] : the quality of being quick快；迅速
- The machine chops up tree branches and leaves with speed and ease.这种机器能方便快捷地砍去树枝和树叶。
4
[count] photography
a : a measurement that indicates how quickly film reacts to light and that is expressed as a number (such as 100 or 200)曝光率；感光度
- 200 speed film感光度200的胶片
b : the time during which a camera's shutter is open（相机）快门速度
- faster/slower shutter speeds较快/慢的快门速度
5
[count] : a gear in a vehicle or bicycle（汽车或自行车等的）排挡，变速器
- a three-speed bicycle三挡变速自行车
- Her old car has four speeds.她的旧车有四个变速挡位。
6
[noncount] informal : an illegal drug that makes a person feel more excited and full of energy苯丙胺，安非他明（一种兴奋剂）
- He was high on speed.他服了苯丙胺后非常兴奋。
at speed
chiefly British : very quickly : at a fast speed迅速地；高速地
- He ran at speed out of the room.他迅速跑出了房间。
full speed ahead
up to speed
: having the latest information about something了解最新情况的 : having the knowledge that is needed to do or understand something掌握所需信息的
- Everyone here is up to speed.这里所有人都了解最新情况。
- Let me bring you up to speed on our plans. [=let me tell you about the changes in our plans]我来给你说说我们这些计划的最新进展吧。
- It will take some time for the new secretary to get up to speed. [=to learn the job]新来的秘书需要一段时间去熟悉工作。
2 speed /ˈspiːd/ verb
2 speed
/ˈspiːd/
verb
Learner's definition of SPEED
1
always followed by an adverb or preposition, [no object] : to move fast快速移动
- A group of kids sped past us on their bikes.一群孩子骑车从我们身旁飞驰而过。
- They jumped in the car and sped/speeded away.他们跳上车飞驰而去。
- A car was speeding down/up the street.一辆车沿街快速行驶。
2
always followed by an adverb or preposition, [+ object] : to move (someone or something) somewhere very quickly快速运送
- An ambulance sped her to the hospital.救护车快速把她送往医院。
3
[no object] : to drive faster than the legal speed limit超速驾驶
- I got pulled over twice last month because I was speeding on the highway.我上个月因为在公路上超速驾驶两次被警察拦下。
- Don't speed.不要超速驾驶。
4
[+ object] somewhat formal : to cause (an action, movement, process, etc.) to happen faster使加速；促进
- We kept the plants under artificial lights at night to speed their growth.我们让这些植物在夜间接受灯光照射以加速生长。
- Is there anything we can do to speed the process (along)?我们能做点什么来加快进展吗？
speed up
[phrasal verb] speed up or speed up (something or someone) or speed (something or someone) up
: to become faster or to make (something or someone) faster（使）加速 — see also speedup
- I hate it when cars speed up [=accelerate] while you're trying to pass them.我讨厌那些在你要超车的时候加速的车辆。
- The work has been slow so far but it should speed up soon.工作一直进展缓慢，不过应该马上就会加快进度了。
- They add another chemical to the photo developer to speed up the process.他们在照片显影剂中添了另一种化学剂来加快显影过程。
- I'm afraid there's nothing you can do to speed things up.想要加快事情的进展，恐怕你也无能为力。
- They're working too slowly. How can we speed them up?他们工作太慢了。怎样才能让他们快点呢？
1
a
: rate of motion: such as
(1)
(2)
: the magnitude of a velocity irrespective of direction
b
: the act or state of moving swiftly : swiftness
c
: impetus
3
a
: the sensitivity of a photographic film, plate, or paper expressed numerically
b
: the time during which a camera shutter is open
c
: the light-gathering power of a lens or optical system
sped ˈsped 
or speeded; speeding
or speeded; speeding 1
a
: to cause to move quickly : hasten
b
: to increase the speed of : accelerate
c
: to wish Godspeed to
speeder noun
Synonyms
Example Sentences
Word History
Phrases Containing speed
noun
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