dynamo
Word family noundynamogenesisdynamographdynamometerdynamometrydynamotordynatrondynamoadjectivedynamometric
dy·na·mo /ˈdaɪnəməʊ $ -moʊ/ noun (plural dynamos) [countableC] 1 TPEa machine that changes some other form of power directly into electricity 〔直流〕发电机 bicycle lights powered by a dynamo 以直流发电机供电的自行车车灯
2 ENERGETICsomeone who is excited about what they do and who puts a lot of energy into it 充满干劲的人 the team’s midfield dynamo 球队的中场主力
3 something that has a strong effect on something else, and that makes things happen 举足轻重的事物,原动力 Oil is the dynamo of the country’s economy. 石油是该国经济的原动力。
Origin dynamo (1800-1900) dynamoelectric machine ((1800-1900))