倒轮闸 dàolúnzhá coaster brake Origin Definitions Defs Strokes Stroke Words Sentences Sents 倒 dào verb to reverse to move backward; to back up (e.g. a vehicle)轮 輪 lún noun wheel wheel; circular part in a machine or vehicle that rotates; disk or ring闸 閘 zhá brake (colloquial) brake for a vehicle or machine; mechanism used to slow down or stop movement