| 词汇 | mainspring |
| 释义 | main·springBrE /ˈmeɪnsprɪŋ/ NAmE /ˈmeɪnsprɪŋ/ noun [usually sing. ]~ (of sth )(formal ) the most important part of sth ; the most important influence on sth 主体部分;主要影响the most important spring in a watch , clock , etc .(钟表等的)主发条 |
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