| 释义 |
🔑speedspeed1 /spid / noun (physics物理) - [uncountable] fast movement快速；高速◆to gather / pick up speed加速◆With a final burst of speed, Jackson won the race.杰克逊凭最后一个冲刺赢得了赛跑冠军。
- [countable, uncountable] the rate at which someone or something moves or travels速度；速率◆The car was traveling at a speed of 40 miles an hour.那辆车以每小时 40 英里的速度行驶。◆to travel at high speed高速行进
 ●bring / get sb up to speed (on sth)to give someone the most recent and accurate information about a situation使某人了解最新情况◆I'll bring you up to speed on the latest developments.我将向你介绍最新的进展情况。
speedspeed2 /spid / verb [intransitive] (past tense, past participle sped /spɛd / or speed·ed)- to go or move very quickly快速行进◆He sped around the corner on his bicycle.他骑着自行车飞快转过拐角。◆The fire engine sped past us.消防车从我们身边疾驶而过。
- (only used in the continuous tenses只用于进行时) to drive a car, etc. faster than the legal speed limit超速驾驶；超速行驶◆The police said she had been speeding.警方说她当时正超速驾驶。
 ●speed (sth) up(to cause something) to go faster（使）加速，加快◆plans to speed up mail delivery加快邮件递送的计划◆The traffic sped up once it reached the expressway.车辆一到高速公路就加速了。 |