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

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。
This is driving wheel, this is clutch pedal, this is brake pedal, this is accelerator pedal.
这是方向盘、这是离合器脚踏、这是行车制动脚踏、这是加速器脚踏；
The Beijing HI-13 tandem accelerator AMS high resolution injector system was developed.
研制了北京HI-13串列加速器AMS专用高分辨注入器系统。
He discovered the accelerator cable had snapped.
他发现，汽车加速器的缆绳断了。
The engine stalled. He pressed the accelerator hard
发动机熄火了。他用力踩油门。
He put his foot down hard on the accelerator.
他用劲踩油门踏板。
Avoid to pedal the brake and accelerator at the same time amd sudden braking when driving.
驶时避免同时踩刹车和油门，避免突然刹车和急转弯。
He eased his foot off the accelerator.
他松开了油门。
I want to say, it only served as a catalyst, or accelerator effect.
我想说，它只起到了催化剂，或者加速器的作用。
An accelerator that collides protons and antiprotons.
质子和反质子相互碰撞的加速器。