accelerator

英 [əkˈseləreɪtə(r)]

美 [əkˈseləreɪtər]

n.  (汽车等的)加速装置，油门; (基本粒子)加速器

复数：accelerators　

化学

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

柯林斯词典

• 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。

英英释义

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

双语例句

• 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。
• The brake is between the clutch and the accelerator.
  制动器在离合器和加速器之间。
• This device has always been a feature of Gardner engines where it is coupled to the accelerator control.
  此装置是加德纳发动机的一个特征，总是和加速器控制连接在一起。
• He put his foot down hard on the accelerator.
  他用劲踩油门踏板。
• His foot stamped down on the accelerator
  他一脚踩下油门。
• 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。
• 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。
• The engine stalled. He pressed the accelerator hard
  发动机熄火了。他用力踩油门。
• Install a new accelerator pedal module.
  安装新的油门踏板模块。