impelling ratio推进比
impelling action推进作用
impelling function推进函数
jet impelling喷流推进
impelling force推进力
impelling development推动发展
aim impelling目标激励
Impelling strength冲击韧性
impelling power推进力
V-T（及物动词） When something such as an emotion impels you to do something, it affects you so strongly that you feel forced to do it. 驱策; 迫使
...the courage and competitiveness which impels him to take risks.
...驱策他冒险的勇气和竞争精神。