| 单词 | impetus |
| 释义 | impetusimpetus /ˈɪmpət̮əs/ ●○○ noun [uncountable] 1an influence that makes something happen, or makes it happen more quickly: impetus for The report provided the impetus for changes in the way math is taught.impetus to The education of black people helped give impetus to the Civil Rights Movement.2science, physics the force that makes an object start moving, or keeps it moving [Origin: 1600–1700 Latin impetere to attack, from petere to go to, look for] |
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