| 词汇 | speed |
| 释义 | speed (verb) speed 18 ENTRIES FOUND: speed (noun) speed (verb) speeding (noun) speeding ticket (noun) speed-reading (noun) speed bump (noun) speed demon (noun) speed dial (noun) speed hump (noun) speed limit (noun) speed skating (noun) speed trap (noun) cruising speed (noun) high-speed (adjective) off-speed (adjective) full (adjective) turn (noun) up (adjective) 1 speed /ˈspiːd/ noun plural speeds 1 speed /ˈspiːd/ noun 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 — see 1full up to speed : having the latest information about something了解最新情况的 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。 : having the knowledge that is needed to do or understand something掌握所需信息的 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 speeds; sped /ˈspɛd/ or speeded; speeding 2 speed /ˈspiːd/ verb speeds; sped /ˈspɛd/ or speeded; speeding 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 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？ — see also speedup |
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