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BNC: 20567 COCA: 20306

dynamo

noun
/ˈdaɪnəməʊ/
/ˈdaɪnəməʊ/
(plural dynamos)
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  1. a device for turning mechanical energy (= energy from movement) into electricity; a generator发电机Topics Engineeringc2
  2. (informal) a person with a lot of energy精力充沛的人
    • the team’s midfield dynamo这个队的中场活跃分子
    • She's a human dynamo.她是个精力充沛的人。
    3. Word Originlate 19th cent.: abbreviation of dynamo-electric machine, from Greek dunamis ‘power’.
BNC: 20567 COCA: 20306
BNC: 20567 COCA: 20306
BNC: 20567 COCA: 20306
dynamo
Parts of machines and machinery: ancillary, ball bearing, bearing...
Parts of bicycles and motorcycles: carrier, chain, crossbar...
People who are determined and ambitious: trier, fighter, doer...

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