accelerator

名词 accelerator:

1. a pedal that controls the throttle valve
   同义词：accelerator pedal, gas pedal, gas, throttle, gun
2. a valve that regulates the supply of fuel to the engine
   同义词：throttle, throttle valve
3. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
   同义词：catalyst
4. a scientific instrument that increases the kinetic energy of charged particles
   同义词：particle accelerator, atom smasher

1. 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。
2. I pressed the accelerator until the engine screamed.
   我猛踩油门踏板，发动机发出了尖利的声音。