dynamo
dynamo
(pl. -os)
(pl. -os)
- (chiefly Brit.)a machine for converting mechanical energy into electrical energy, typically by means of rotating coils of copper wire in a magnetic field
(主 英)发电机
■(informal)an extremely energetic person
(非正式)精力充沛的人
she was a dynamo in London politics.
她在伦敦政界非常活跃。
- late 19th cent.: abbreviation of dynamo-electric machine, from Greek dunamis 'power'
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