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	text textbook textile textual textualist texture texturize TG TGWU -th Th Th. Thai thalamus thalassic thaler thalidomide thalli thallium thallophyte thallus thalweg than thanage thanatology

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