noun🔗Share发电机, 直流发电机 An electricity generator, a dynamo-electric machine."The bicycle had a small dynamo that powered the headlight when the wheels turned. "这辆自行车上装有一个小型发电机，车轮转动时，它可以为车头灯供电。energymachinetechnologyelectricphysicsutilityChat with AIVocabulary GamePractice Reading
noun🔗Share精力充沛的人，干劲十足的人 An energetic person."That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter."那位新来的市场部副总裁真是个精力充沛的人，这个季度的销售额已经上升了。personcharacterenergyChat with AIVocabulary GamePractice Reading
