名詞 accelerator:

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

1. The brake (pedal) is between the clutch and the accelerator.
   制動器(踏板)在離合器和加速器之間。
2. I pressed the accelerator until the engine screamed.
   我猛踩油門踏板，發(fā)動機發(fā)出了尖利的聲音。