他踩下汽车的加速器踏板.He pressed down the accelerator pedal of his car.这辆车只要你一触加速器就会加速.The car picks up speed with just a touch of the accelerator.司机一定是踩了加速器.The driver must have pressed on the accelerator....

“加速器”的拼音为：jiā sù qì...

“加速器”的英语可以翻译为：[物] accelerator，machine，boost，booster，accelerograph ...