speed noun ⇨speed (excessive speed)⇨rate1 (at top speed)speed verb ⇨accelerate (speed the development of sth)⇨fly2 (He sped away on his bike.)speed
noun
speed ♦︎ velocity ♦︎ haste ♦︎ rapidityThese are all words that can be used when sth happens, travels or is done very quickly.这些词均表示快速、迅速。PATTERNS AND COLLOCATIONS 句型和搭配◆increasing speed / velocity / rapidity◆great speed / haste / rapidity◆maximum / constant speed / velocity◆reckless speed / haste◆alarming / amazing / bewildering / remarkable speed / rapidity◆to measure speed / velocity■speed [uncountable] the quality of being quick or happening quickly快;迅速◆The accident was due to excessive speed.那次事故的原因是速度过快。◆She was overtaken by the speed of events(= things happened more quickly than she expected).事态发展之快是她始料不及的。◆ (formal) The car flashed past them at speed.那汽车从他们身边疾驰而过。 see also speed ⇨ rate1, speedy ⇨ quick■velocity vəˈlɒsəti; NAmEvəˈlɑːsəti [uncountable, countable] (technical术语orformal) the speed of sth in a particular direction; high speed(沿某一方向的)速度;高速;快速◆to gain / lose velocity加速;减速◆Light travels at a constant velocity.光以恒定速度传播。◆Jaguars can move with an astonishing velocity.美洲豹跑起来速度惊人。■haste [uncountable] (formal) speed in doing sth, especially because you do not have enough time急速;匆忙;仓促◆In her haste to finish on time she made a number of mistakes.她急急忙忙想按时完工,结果出了一些错误。◆The letter had clearly been written in haste.这封信显然是仓促写就的。 see also hasten ⇨ hurry, hasty ⇨ quick■rapidityrəˈpɪdəti [uncountable] the fact of happening or changing very quickly or in a short period of time快速;高速◆These changes happen with extreme rapidity.这些变化是以极快的速度发生的。 see also rapid ⇨ quick
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