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

• An accelerator that collides protons and antiprotons.
  质子和反质子相互碰撞的加速器。
• He put his foot down hard on the accelerator.
  他用劲踩油门踏板。
• The engine stalled. He pressed the accelerator hard
  发动机熄火了。他用力踩油门。
• 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 discovered the accelerator cable had snapped.
  他发现，汽车加速器的缆绳断了。
• The Charged Accelerator Gun illustrates this, clearly and fatally.
  “充电加速枪”清楚且致命地诠释了这一点。
• The LHC's primary control center is used to monitor and run the particle accelerator.
  在LHC的主要控制中心是用于监测和运行的粒子加速器。
• 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；
• 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。
• 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。