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Definición de “mainspring” en inglés

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mainspring

noun [C usually singular] uk   /ˈmeɪn.sprɪŋ/ formal us  
the most important reason for something; the thing that makes something else happen: Work was the mainspring of his life.
Traducciones de “mainspring”
en chino (tradicionál) 主要原因, 主要動力…
en chino (simplificado) 主要原因, 主要动力…
(Definition of mainspring from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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