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| 单词 | mainspring |
| 释义 | mainspring/ˈmeɪnsprɪŋ /noun 1The main agent of motivation: innovation is the mainspring of the new economy...
Synonyms motive, motivation, impetus, driving force, incentive, impulse, cause, prime mover, reason, origin, fountain, fount, beginning, root, generator, basis 2The principal spring in a watch, clock, or other mechanism.You are rotating and moving the loaded cylinder forward as well as extending the breech block while compressing the mainspring and cylinder hushing spring....
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