英语词汇“mainspring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mainspring
释义	mainspring n. 1. the principal spring of a mechanical watch, clock, etc. 2. a chief motive power; an incentive.
随便看	saxophone say SAYE saying Sb SBN S. by E. S. by W. s.c. SC Sc sc. scab scabbard scabies scabious scabrous scad scads scaffold scaffolding scagliola scalable scalar scalawag

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