| 单词 | impetus |
| 释义 | im·petusBrE /ˈɪmpɪtəs/ NAmE /ˈɪmpɪtəs/ noun [U , sing. ]something that encourages a process or activity to develop more quickly 动力；推动；促进；刺激SYN stimulus◆ The debate seems to have lost much of its initial impetus . 辩论会似乎没有开始时那么大的冲劲了。◆ ~to sth /to do sth to give (a ) new /fresh impetus to sth 给某事物以新的推进力◆ ~for sth His articles provided the main impetus for change . 他的那些文章是促进变革的主要推动力。[U ](specialist ) the force or energy with which sth moves 动量；动力；惯性 |
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