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accelerate

美音:[æk´selə´reıt ]点这儿播放单词美音发声
英音:[æk´selə´reıt ]点这儿播放单词英音发声
v.加速,促进

难易程度:

accelerate为短语/超纲词汇   词频:5188

词形变化:

形容词:accelerative 动词过去式:accelerated 过去分词:accelerated 现在分词:accelerating 第三人称单数:accelerates

词根

ad-=to,at,for 表示方向、变化、完成、附加、增加、开始,或只表加强的重要字首 变化型 ab-,ac-,af-,ag-,al-,an-,ap-,ar-,as-,at-

近义词, 同义词

相关词

hasten  hurry  quicken  speed-up  decelerate  retard    

accelerate


/ək'seləreɪt; ək`sɛlə,ret/
v
1 [Tn] make (sth) move faster or happen earlier; increase the speed of 使(某事物)加快; 促进(某事物); 加速
*accelerating the rate of growth 提高生长率.
2 [I] move or happen more quickly 加速; 加快
*The car accelerated as it overtook me. 那辆汽车一加速就超越了我. Cf 参看 decelerate.

accelerate


v
[Date: 1500-1600; Language: Latin;Origin: , past participle of accelerare, from ad- 'to' + celer 'fast']
[I and T]
if a process accelerates or if something accelerates it, it happens faster than usual or sooner than you expect
 measures to accelerate the rate of economic growth
[I]
if a vehicle or someone who is driving it accelerates, it starts to go faster
decelerate
 The car accelerated smoothly away.
1. It takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
    在月球上加速到每秒1.5英里比在地球上所用能源要少得多。

2. Human activities can cause or accelerate permanent changes in natural systems.
    而人类活动能够引起或加速自然体系中的永久性变化。

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