空气制动机 kōngqìzhìdòngjī air brake Definitions Defs Origin Strokes Stroke Words Sentences Sents 空气 空氣 kōngqì noun air the gas mixture surrounding the earth, primarily composed of nitrogen and oxygen制动 制動 zhìdòng to brake To apply the brakes; to cause a moving machine or vehicle to slow down or stop.机 機 jī noun machine (bound form) machine; mechanism; engine
