| 例句 |
rapidity noun
⇨ speed 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 ⇨ rate 1 , speedy ⇨ quick ■ velocity / /vəˈlɒsəti; NAmE vəˈlɑːsəti/ [uncountable, countable] (technical 术语 or formal) 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 ■ rapidity /rəˈpɪdəti/ / [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 |