have an impact on sb/sth
常用形容词修饰，如significant, major, profound
The new policy has a significant impact on the economy.
新政策对经济有显著影响。
撞击；碰撞；碰撞；碰撞的力量或能量；强烈影响；巨大效果；强制撞击
a strong effect or influence
碰撞
The striking of one body against another; collision.
碰撞
the striking of one body against another
碰撞的力量或能量
The force or energy of a collision of two objects.
强烈影响；巨大效果
a forceful consequence; a strong effect
强制撞击
A forced impinging.
强烈影响
influencing strongly
The report highlights the impact of pollution on marine life.
报告强调了污染对海洋生物的影响。
用法提示：此处impact为名词，表示‘影响’。
AI contextual example
The impact of the meteorite created a large crater.
陨石的撞击形成了一个大陨石坑。
用法提示：此处impact为名词，表示‘撞击’。
AI contextual example
Social media has a significant impact on young people's behavior.
社交媒体对年轻人的行为有显著影响。
用法提示：此处impact为名词，表示‘影响’。
AI contextual example
常用形容词修饰，如significant, major, profound
The new policy has a significant impact on the economy.
新政策对经济有显著影响。
常用于正式或学术语境
The impact of climate change on agriculture is severe.
气候变化对农业的影响是严重的。
强调产生影响的行为
She made a strong impact in her first speech.
她在第一次演讲中产生了强烈的影响。
grammar · medium
易错句子The new policy has a great impact to the economy.
正确表达The new policy has a great impact on the economy.
介词搭配错误：impact作名词时，固定搭配介词用on，不用to。中文'对...的影响'导致直译误用to，应改为on。
grammar · medium
易错句子This event impacts our lives.
正确表达This event has an impact on our lives.
词性混淆：学习者将impact误作动词使用，但基于名词词性，应改用have an impact on结构，保持名词用法。
针对“强烈影响”这一义项的反义词，表示缺乏影响或重要性。
针对“碰撞”这一义项的反义词，表示未能接触或击中。
impact 侧重撞击或强烈的冲击力，effect 侧重结果或作用。
impact 可指抽象影响，collision 专门指物体猛烈相撞或剧烈冲突。
impact 强调冲击力或效果，influence 强调潜移默化的作用或势力。
产生影响
Technology has had a huge impact on our daily lives.
科技对我们的日常生活产生了巨大影响。
重大影响
The new policy had a significant impact on the economy.
新政策对经济产生了重大影响。
造成影响
His speech made a strong impact on the audience.
他的演讲对观众产生了强烈影响。
积极影响
Exercise has a positive impact on mental health.
锻炼对心理健康有积极影响。
环境影响
The project's environmental impact must be assessed.
必须评估该项目的环境影响。
经济影响
The pandemic had a severe economic impact worldwide.
疫情对全球经济造成了严重影响。
前缀im- (进入) + 词根pact (击打); 同根词: compact, pact; 同前缀词: import, impose
常用于谈论环境影响，如environmental impact
经济影响是常见搭配，如economic impact
impact常导致变化
impact的影响可视为后果
物理碰撞涉及力的作用
撞击时
The car exploded on impact.
汽车在撞击时爆炸了。
产生重大影响
Her speech made a huge impact on the audience.
她的演讲对观众产生了巨大影响。
对……有影响
Climate change has a direct impact on agriculture.
气候变化对农业有直接影响。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.