the chief spring, esp of a watch or clock
the chief motive, agent, or cause of something
We have no modern English plays in which the natural attraction of the sexes for one another is made the mainspring of the action — George Bernard Shaw
| 单词 | mainspring |
| 释义 | mainspringnounthe chief spring, esp of a watch or clock the chief motive, agent, or cause of something We have no modern English plays in which the natural attraction of the sexes for one another is made the mainspring of the action — George Bernard Shaw |
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