节流踏板 jiéliútàbǎn accelerator Origin Definitions Defs Strokes Stroke Words Sentences Sents 节流 節流 jiéliú throttle device that controls the flow of a fluid, such as a throttle, choke, or weir valve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.