accelerator

英 [əkˈseləreɪtə(r)]

美 [əkˈseləreɪtər]

n. (汽车等的)加速装置，油门; (基本粒子)加速器

Collins.1 / BNC.10364 / COCA.11455

牛津词典

noun

（汽车等的）加速装置，油门
the pedal in a car or other vehicle that you press with your foot to control the speed of the engine
（基本粒子）加速器
a machine for making elementary particles move at high speeds

N-COUNT （汽车等的）加速装置，油门
Theacceleratorin a car or other vehicle is the pedal which you press with your foot in order to make the vehicle go faster.
1. He eased his foot off the accelerator.
  他松开了油门。

noun

a valve that regulates the supply of fuel to the engine
Synonym:throttlethrottle valve
a scientific instrument that increases the kinetic energy of charged particles
Synonym:particle acceleratoratom smasher
a pedal that controls the throttle valve
1. he stepped on the gas
Synonym:accelerator pedalgas pedalgasthrottlegun
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonym:catalyst

Whenever there was a gap in the traffic the merest pressure on the accelerator was enough to close it
每当车流里出现了一点儿空距，只要稍稍一踩油门，空距就没有了。
An accelerator that collides protons and antiprotons.
质子和反质子相互碰撞的加速器。
He bore down on the accelerator and the truck roared through its course like a heavy bomber.
他踩下油门，卡车像重型轰炸机似地轰然开过。
His foot stamped down on the accelerator
他一脚踩下油门。
The brake is between the clutch and the accelerator.
制动器在离合器和加速器之间。
This paper has carried on the detailed analysis to this kind of accelerator's function.
本文对这种加速器的作用进行了详细的分析。
He eased his foot off the accelerator.
他松开了油门。
The engine stalled. He pressed the accelerator hard
发动机熄火了。他用力踩油门。
We have to change the accelerator pedal.
我们得换油门踏板。
The three-wave interaction in a laser beat-wave accelerator are studied.
本文研究了激光拍频波加速器中的三波相互作用过程。