Word · Frequency #34913
decelerate
减速；放慢速度
to move more slowly or lose speed
- 1.
lose velocity; move more slowly
减速；放慢速度
- 2.
reduce the speed of
减速,降低速度
使减速；降低…的速度；减速,降低速度；(使)减速
In use
The driver had to decelerate quickly to avoid hitting the deer.
The pilot decelerated the plane smoothly before landing.
As the economy decelerates, companies are cutting back on investments.
decelerate (intransitive)
The train decelerated slowly.
火车缓慢减速。
decelerate something (transitive)
The pilot decelerated the aircraft before landing.
飞行员在着陆前让飞机减速。
decelerate from something to something
表示速度变化的范围。
The car decelerated from 100 km/h to 50 km/h.
汽车从每小时100公里减速到50公里。
Verb forms
base decelerate · third person decelerates · -ing decelerating · past decelerated · past participle decelerated
动词形式规则变化
Common mistakes
The driver decelerated down the car before the turn.The driver decelerated the car before the turn.
中文学习者常受中文表达‘减速下来’的影响，在decelerate后多余添加down，导致语义重复。正确用法中，decelerate本身已包含减速的含义，直接跟宾语即可。
Please decelerate to merge into the highway.Please accelerate to merge into the highway.
词义混淆：decelerate意为减速，而此处并入高速公路需要加速，故应使用accelerate。
Connections
Confusing words
- accelerate
- 加速 · 拼写和发音相似，但意义相反：accelerate 是加速，decelerate 是减速。
- slow down
- 减速；放慢 · 同义但用法更口语化，decelerate 更正式，常用于技术或专业语境。
Word family
- decelerates
- plural, third person singular
- decelerated
- past, past participle
- decelerating
- present participle
Learner notes
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WORDNET.