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accelerator

US [əkˈseləˌreɪtər]
UK [əkˈseləreɪtə(r)]
  • n.油门;(基本粒子)加速器
  • Web促进剂;加速剂;加速装置
Plural Form:accelerators  
accelerator
n.
1.
(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
2.
(基本粒子)加速器a machine for making elementary particles move at high speeds