impact
noun countable usually singular uncountable /ˈɪm.pækt/
IMPROVER
■the force or action of one object hitting another 冲击（力）；撞击（力）•The impact of the crash reduced the car to a third of its original length.撞车时的冲击力使车身变形，仅剩原来长度的三分之一。 •The bullet explodes on impact (= when it hits another object).子弹击中物体时爆炸。 IMPROVER
■a powerful effect that something, especially something new, has on a situation or person （尤指新事物的）巨大影响，强大作用•The anti-smoking campaign had had/made quite an impact on young people.禁烟运动对年轻人造成了不小的影响。 •The new proposals were intended to soften the impact of the reformed tax system.新的提议旨在减轻改革后的税制所造成的影响。
verb intransitive or transitive /ɪmˈpækt/ mainly US to have an influence on something （对…）产生影响•Falling export rates have impacted (on) the country's economy quite considerably.出口率的下降对该国的经济造成了相当大的影响。 |