ac·cel·er·a·tor /ɪkˈsɛləˌretɚ/
 加速器,油門,加速者


 ac·cel·er·a·tor /ɪkˈsɛləˌretɚ, æk-/ 名詞
 加速劑,促進劑


 accelerator
 加速器


 accelerator
 加速器


 Ac·cel·er·a·tor n. One who, or that which, accelerates. Also as an adj.; as, accelerator nerves.

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 accelerator
      n 1: a pedal that controls the throttle valve; "he stepped on the
           gas" [syn: accelerator pedal, gas pedal, gas, throttle,
            gun]
      2: a valve that regulates the supply of fuel to the engine
         [syn: throttle, throttle valve]
      3: (chemistry) a substance that initiates or accelerates a
         chemical reaction without itself being affected [syn: catalyst]
         [ant: anticatalyst]
      4: a scientific instrument that increases the kinetic energy of
         charged particles [syn: particle accelerator, {atom
         smasher]