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

• The present situation and development trend of vulcanization accelerator at home and abroad were reviewed.
  本文叙述了国内外硫化促进剂的现状和发展趋势。
• Equipped with muffler accelerator and air filter.
  配备消声器、加速器和空气过滤器。
• 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。
• 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。
• 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。
• He eased his foot off the accelerator.
  他松开了油门。
• 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。
• We have to change the accelerator pedal.
  我们得换油门踏板。
• An accelerator that collides protons and antiprotons.
  质子和反质子相互碰撞的加速器。