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

He eased his foot off the accelerator.
他松开了油门。
Today many radioisotopes are produced using the particle accelerator called a cyclotron.
今天许多放射性同位素是用被称为回旋加速器的粒子加速器来制造的。
The brake ( pedal) is between the clutch and the accelerator.
制动器（踏板）在离合器和加速器之间。
We have to change the accelerator pedal.
我们得换油门踏板。
The brake is between the clutch and the accelerator.
制动器在离合器和加速器之间。
His foot stamped down on the accelerator
他一脚踩下油门。
He put his foot down hard on the accelerator.
他用劲踩油门踏板。
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。
She slammed the car into gear, the tyres screaming as her foot jammed against the accelerator
她用力关上车门发动汽车，脚猛踩油门时轮胎发出刺耳的声音。
He discovered the accelerator cable had snapped.
他发现，汽车加速器的缆绳断了。