加速踏板 jiāsùtàbǎn accelerator pedal Origin Definitions Defs Strokes Stroke Words Sentences Sents 加速 jiāsù verb to speed up to increase in speed; to move faster踏板 tàbǎn noun pedal A device on a machine or instrument operated by the foot, such as on a piano, bicycle, or sewing machine; a treadle.