accelerator
accelerator
ac∙cel∙e∙ra∙tor / əkˈsɛləˌretə ; əkˈseləreɪtə /
◙noun [C]
1. the part of a car or other vehicle that you press with your foot to make it go faster
• 〔车辆的〕加速装置，油门;
【SYN】 gas pedal [AmE] ;
--› see picture on pageA2
2. [technical] a large machine used to make extremely small pieces of MATTER¹ (3) move at extremely high speeds
• 粒子加速器
