Word · Frequency #2510
infections
感染；传染
infections is the plural of infection.
核心释义
the process or result of harmful microorganisms entering the body and causing disease
- 1.
感染的行为或过程
The act or process of infecting.
- 2.
宿主体内有害微生物的失控生长
An uncontrolled growth of harmful microorganisms in a host.
- 3.
由病原体存在引起的疾病
A disease caused by such presence of a pathogen.
- 4.
此类疾病的可见迹象,如伤口化脓
A visible sign of such a disease, such as the suppuration of a wound.
语音同化；音变；感染的行为或过程；宿主体内有害微生物的失控生长；由病原体存在引起的疾病；此类疾病的可见迹象,如伤口化脓
用法In use
The doctor said the wound had an infection and gave me antibiotics.
用法提示：infection 作名词，表示“感染”，此处指伤口发生的感染。
You should clean the cut carefully to prevent infection.
用法提示：infection 作不可数名词，表示“感染”这一状态或过程，作 prevent 的宾语。
After the operation, he developed a serious infection in his lungs.
用法提示：infection 作可数名词，指一次具体的感染疾病，这里是肺部感染。
infection with sth
表示感染某种病原体
The patient developed an infection with drug-resistant bacteria.
患者感染了耐药菌。
an infection of sth
表示身体部位的感染
相关词与表达Connections
搭配Collocations
- spread an infection
- 传播感染
- Wash your hands to avoid spreading an infection to others.洗手以避免把感染传播给他人。
- treat an infection
- 治疗感染
- The doctor prescribed antibiotics to treat the infection.医生开了抗生素来治疗感染。
- prevent infection
- 预防感染
- Vaccination can help prevent infection from many diseases.接种疫苗有助于预防许多疾病的感染。
- bacterial infection
- 细菌感染
- Pneumonia is often caused by a bacterial infection.肺炎通常由细菌感染引起。
- viral infection
学习提示Learner notes
记忆技巧Memory Tip
对比 affection（喜爱），infection 的 in- 表示'向内'，带来病菌，即感染。
语境与语域Context & Register
通常用于医学语境或日常谈论感染，属于中性用法。
发音与拼写Pronunciation & Spelling
The words affection, defection, perfection, and section rhyme with infection because they share the stressed vowel /ɛ/ and the ending /kʃən/. The words action and fraction share the -ction spelling but have a different stressed vowel (/æ/), so they do not rhyme with infection.
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。
Dictionary facts from ECDICT, WIKTIONARY.