Word · CEFR B2 · Frequency #6144
infect
使感染；传染
核心释义
To cause a person, animal, or plant to contract a disease by introducing a pathogen, or (of a pathogen) to enter and affect a body.
- 1.
使身体或其部分接触导致疾病的物质(病原体),使病原体开始作用于身体；(病原体)接触身体或身体部位并开始作用
To bring (the body or part of it) into contact with a substance that causes illness (a pathogen), so that the pathogen begins to act on the body; (of a pathogen) to come into contact with (a body or body part) and begin to act on it.
- 2.
用病原体污染物体或物质
To contaminate (an object or substance) with a pathogen.
- 3.
使某人对自己的热情感兴趣,或将一种感觉传达给他人,或一种感觉自发地传达给他人
To make somebody enthusiastic about one's own passion, or to communicate a feeling to others, or a feeling communicating itself to others.
污染；使带菌；感染（情绪、热情等）；影响；使身体或其部分接触导致疾病的物质(病原体),使病原体开始作用于身体；(病原体)接触身体或身体部位并开始作用；用病原体污染物体或物质；使某人对自己的热情感兴趣,或将一种感觉传达给他人,或一种感觉自发地传达给他人
用法In use
The virus can infect people through coughing.
用法提示：动词infect表示病原体侵入人体。
His laughter infected everyone in the room.
用法提示：动词infected表示情绪如疾病般传播。
Bad habits can infect good discipline.
用法提示：动词infect表示不良影响像病毒一样蔓延。
Verb forms
base infect · third person infects · -ing infecting · past infected · past participle infected
规则动词
相关词与表达Connections
搭配Collocations
- infect with
- 传染给，使感染
- He infected his brother with the flu.他把流感传染给了他的兄弟。
- become infected
- 被感染
- The wound became infected after a few days.伤口几天后感染了。
- infect others
- 传染他人
- Stay home so you don't infect others.待在家里以免传染他人。
- infect a computer
- 感染电脑
- The virus infected thousands of computers.这个病毒感染了成千上万台电脑。
- infect the mind
- 毒害思想
学习提示Learner notes
记忆技巧Memory Tip
联想“in”（在内）+“fect”（像“effect”效果），内部产生效果就是感染。
语境与语域Context & Register
register: mixed; contexts: medical, figurative; note_zh: 'infect'在医学领域常用于描述疾病传播，比较正式；在比喻义中表示影响或污染，可用于日常或正式场合，因此视为混合语域。
发音与拼写Pronunciation & Spelling
These words all rhyme with 'infect' (stressed vowel /ɛ/ and coda /kt/). Be careful: 'inflict' looks similar but sounds different (/ɪnˈflɪkt/).
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 3，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from ECDICT, WIKTIONARY.