| 释义 |
speed/spi:d/ n. & v.●n. 1 rapidity of movement 快速，迅速 with all speed 全速； at full speed 以最快速度；拼命地 2 a rate of progress or motion over a distance in time 速率，速度 attains a high speed 达到高速 3a each of the possible gear ratios of a bicycle (自行车的)排档，变速器 b esp. US or archaic such a gear in a motor vehicle [尤美] [古义] (汽车的)排档，变速器 4 Photog. 【摄】a the sensitivity of film to light (胶卷的)感光度 b the light-gathering power or f-number of a lens 聚光率 c the duration of an exposure 曝光时间 5 slang an amphetamine drug, esp. methamphetamine [俚语]安非他明类毒品(尤指甲基苯丙胺) 6 archaic success, prosperity [古义]成功；昌盛 send me good speed 祝我成功 ●v. (past and past part. sped /sped/) 1 intr. go fast 快走，疾驰 sped down the street 在街上疾驰而过 2 (past and past part. speeded)a intr. (of a motorist etc.) travel at an illegal or dangerous speed (驾驶员等)违章超速行驶 b tr. regulate the speed of (an engine etc.) 调整(发动机等的)速率 c tr. cause (an engine etc.) to go at a fixed speed (使发动机等)定速运行 3 tr. send fast or on its way 快速传送；发射 speed an arrow from the bow 拉弓射出一枝快箭 4 intr. & tr. archaic be or make prosperous or successful [古义] (使)兴旺发达；(使)成功 how have you sped? 你是如何成功的？； God speed you! 祝你成功 ! □ at speed moving quickly 快速地，迅速地 □ speed up move or work at greater speed (使)加速，(使)增速 □ speeder n.[Old English spēd, spēdan, from Germanic] |