柴油发动机 cháiyóufādòngjī diesel engine Origin Definitions Defs Strokes Stroke Words Sentences Sents 柴油 cháiyóu noun diesel fuel diesel fuel; diesel oil; a type of fuel oil derived from petroleum used in engines and jet fuel发动机 發動機 fādòngjī noun engine machine that converts energy (such as heat, wind, or electricity) into mechanical motion; motor