rap·id

adjective

OPAL W

/ˈræpɪd/

happening quickly or in a short period of time瞬间的；快速的
- rapid change/expansion/growth/development迅速的改变／扩张／增长／发展
- a rapid rise/increase/decline in sales销售额的急剧上升／增长／下降
- The patient made a rapid recovery.病人很快恢复了健康。
- a rapid pulse/heartbeat急促的脉搏／心跳
- The guard fired four shots in rapid succession.卫兵接连开了四枪。
- Work proceeded at a rapid pace.工作进展得很快。
- The disease is spreading at a rapid rate.这种疾病正在迅速蔓延。
- We try hard to provide a rapid response to requests.我们努力对请求做出快速响应。
- Rapid economic growth pushed unemployment to relatively low levels.快速的经济增长将失业率推至相对较低的水平。
Which Word? fast / quick / rapid
fast / quick / rapidThese adjectives are frequently used with the following nouns:
fast ~ quick ~ rapid ~
car glance change
train look growth
bowler reply increase
pace decision decline
lane way progress
- Fast is used especially to describe a person or thing that moves or is able to move at great speed.
- Quick is more often used to describe something that is done in a short time or without delay.
- Rapid, swift and speedy are more formal words.
- Rapid is most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done:
  a rapid train
  We had a rapid coffee.
- Swift usually describes something that happens or is done quickly and immediately:
  a swift decision迅即作出的决定
  The government took swift action.政府立即采取了行动。
- Speedy has a similar meaning:
  a speedy recovery.迅速恢复。
  It is used less often to talk about the speed at which something moves:
  a speedy car.
- For the use of fast and quick as adverbs, .
Oxford Collocations Dictionary
verbs
- be
- seem
- become
- …
adverb
- extremely
- fairly
- very
- …
Word Originmid 17th cent.: from Latin rapidus, from rapere ‘take by force’.