| 单词 | mainspring |
| 释义 | mainspringmainspring /ˈmeɪnsprɪŋ/ noun 1[countable] the most important spring in a watch or clock2the mainspring of something formal the most important reason or influence that makes something happen: His religious faith was the mainspring of Peter’s life. |
| 随便看 |
英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。