| 释义 |
🔑 speedBrE /spiːd/NAmE /spiːd/ noun➤rate of movement/action 运动/行动速率🔑 [C, U] the rate at which sb/sth moves or travels （运动的）速度，速率◆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 以高速/低速/全速/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/声速行进 ➡ see also airspeed, ground speed 🔑 [C, U] the rate at which sth happens or is done （发生或进行的）速度；进度◆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). 我们力争加快送货速度。🔑 [U] the quality of being quick or rapid 快；迅速◆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。◆(formal) A car flashed past them at speed (= fast). 一辆汽车从他们身边疾驰而过。➤in photography 摄影 [C] a measurement of how sensitive film for cameras, etc. is to light 感光度 [C] the time taken by a camera shutter to open and close 快门速度◆shutter speeds 快门速度➤on bicycle/car 自行车；汽车 [C] () a gear on a bicycle, in a car, etc. 排挡；速◆a four-speed gearbox 四挡变速箱◆a ten-speed mountain bike 十速山地自行车 back-pedal, cycling, dismount, handlebar, pedal, ride, saddle, speed, tandem, velodrome ➤drug 毒品 [U] (informal) an illegal amphetamine drug that is taken to give feelings of excitement and energy 苯丙胺，安非他明（一种兴奋剂） ●full speed/steam aˈheadwith as much speed or energy as possible 全速（或全力）向前●up to ˈspeed (on sth)(of a person, company, etc. 人、公司等) performing at an expected rate or level （在某事上）达到应有的速度，达标◆the cost of bringing the chosen schools up to speed 使选定的学校达标所需的费用(of a person 人) having the most recent and accurate information or knowledge 了解最新情况；跟上形势◆Are you up to speed yet on the latest developments? 你了解最新的进展情况吗？●ˌmore ˈhaste, ˌless ˈspeed(BrE, saying) you will finish doing sth sooner if you do not try to do it too quickly because you will make fewer mistakes 欲速则不达●a ˌturn of ˈspeeda sudden increase in your speed or rate of progress; the ability to suddenly increase your speed 突然加速；加快进度；突然加快的能力◆He put on an impressive turn of speed in the last lap. 他在最后一圈猛然加速。 🔑 speedBrE /spiːd/NAmE /spiːd/ verbpresent simple - I / you / we / they speed BrE /spiːd/ NAmE /spiːd/present simple - he / she / it speeds BrE /spiːdz/ NAmE /spiːdz/past simple speeded BrE /ˈspiːdɪd/ NAmE /ˈspiːdɪd/past participle speeded BrE /ˈspiːdɪd/ NAmE /ˈspiːdɪd/ -ing form speeding BrE /ˈspiːdɪŋ/ NAmE /ˈspiːdɪŋ/ HELP In senses 1 and 2 sped BrE /sped/NAmE /sped/is also used for the past tense and past participle. 作第 1 及第 2 义时，过去式和过去分词也用 sped。➤move/happen quickly 快速运动/发生 [I] + adv./prep. (formal) to move along quickly 快速前行◆He sped away on his bike. 他飞快地骑着车走了。 [T] ~ sb/sth + adv./prep. (formal) to take sb/sth somewhere very quickly, especially in a vehicle 快速运送◆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。 [T] ~ sth(formal) to make sth happen more quickly 加速；促进◆The drugs will speed her recovery. 这些药会加速她的康复。➤drive too fast 超速驾驶 [I] () to drive faster than the speed that is legally allowed 超速驾驶；超速行驶◆The police caught him speeding. 警察发现他超速行驶。 ●ˌspeed ˈup 🔑●ˌspeed sth↔ˈup 🔑to move or happen faster; to make sth move or happen faster （使）加速◆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？ |