英汉词典

1. 推动;促进;推动力
    Something that gives a process impetus or an impetus makes it happen or progress more quickly.

    e.g. This decision will give renewed impetus to the economic regeneration of east London...
           这一决定会给东伦敦的经济复苏带来新的推动力。
    e.g. She was restless and needed a new impetus for her talent.
           她躁动不安,需要为自己的才华找到新的突破口。