Word · Frequency #1263
impact
撞击；碰撞
核心释义
to collide with or strike something
- 1.
碰撞或撞击
To collide or strike, the act of impinging.
- 2.
压紧；压实；压入或压在一起
To compress; to compact; to press into something or pack together.
压实；压缩；碰撞或撞击；压紧；压实；压入或压在一起；挤入；撞击
用法In use
The new policy will impact small businesses significantly.
用法提示：动词原形用于一般将来时，表示“对……产生影响”。
The falling tree impacted the roof of the house.
用法提示：动词过去式表示“撞击”的具体动作。
Her speech impacted everyone in the audience deeply.
用法提示：动词过去式表示“对……产生影响”，强调情感上的作用。
impact + sth
作及物动词，直接接撞击的对象。
The missile impacted the target.
导弹击中了目标。
impact on/upon + sth
作不及物动词，常与 on 或 upon 连用，表示撞到某处。
The asteroid impacted on the planet's surface.
相关词与表达Connections
搭配Collocations
- impact the ground
- 撞击地面
- The aircraft impacted the ground and burst into flames.飞机撞击地面并起火。
- impact against
- 撞击在……上
- The waves impacted against the seawall during the storm.暴风雨中，海浪撞击着海堤。
- impact with
- 与……相撞
- The car impacted with the tree at high speed.汽车与树高速相撞。
- impacted soil
- 板结的土壤
- The gardener broke up the impacted soil before planting.园丁在种植前把板结的土壤松开了。
- impacted tooth
- 阻生牙
学习提示Learner notes
记忆技巧Memory Tip
impact 谐音“硬拍它”：硬物猛拍上去就是“撞击”，拍紧压实就是“压缩”。
语境与语域Context & Register
语域：formal 常见场景：科技或工程文献、正式事故或冲击描述、材料压实工艺 作动词时，impact 表示“撞击”或“压紧/压实”，通常用于较正式的书面或技术性语境，日常口语中较少这样用。
发音与拼写Pronunciation & Spelling
All of these words end in the stressed sound /ækt/, matching impact /ɪmˈpækt/. Be careful with lookalikes that shift stress, such as the noun contact /ˈkɒntækt/ and the noun compact /ˈkɒmpækt/: they do not rhyme.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.