1
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。
感染；传染
先理解核心含义，再看它在真实句子里的用法。
感染；传染
the process or result of harmful microorganisms entering the body and causing disease
The patient developed an infection with drug-resistant bacteria.
患者感染了耐药菌。
感染的行为或过程
The act or process of infecting.
宿主体内有害微生物的失控生长
An uncontrolled growth of harmful microorganisms in a host.
由病原体存在引起的疾病
A disease caused by such presence of a pathogen.
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.
The doctor said the wound had an infection and gave me antibiotics.
医生说伤口感染了，给我开了抗生素。
You should clean the cut carefully to prevent infection.
你应该仔细清洗伤口，以防感染。
After the operation, he developed a serious infection in his lungs.
手术后，他的肺部出现了严重感染。
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。
表示身体部位的感染
He had an infection of the respiratory tract.
他患了呼吸道感染。
表示感染的风险
Washing hands reduces the risk of infection.
洗手能降低感染风险。
Not this
The doctor treated the infect.
Use this
The doctor treated the infection.
infect 是动词，不能用作名词。表示“感染”的名词形式是 infection。
Not this
He has infection in his lungs.
Use this
He has an infection in his lungs.
当 infection 表示具体的感染病例时，是可数名词，需要加不定冠词 an。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
治疗感染
The doctor prescribed antibiotics to treat the infection.
医生开了抗生素来治疗感染。
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。
细菌感染
Pneumonia is often caused by a bacterial infection.
肺炎通常由细菌感染引起。
病毒感染
The flu is a common viral infection.
流感是一种常见的病毒感染。
感染风险
Proper hygiene reduces the risk of infection.
良好的卫生习惯能降低感染风险。
感染无处不在。
The infection spread rapidly through the city.
感染迅速蔓延到整个城市。
这种感染是通过空气传播的。
Doctors warned that the infection could be transmitted through the air.
医生警告说，这种感染可以通过空气传播。
Use infection naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
对比 affection（喜爱），infection 的 in- 表示'向内'，带来病菌，即感染。
通常用于医学语境或日常谈论感染，属于中性用法。
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.
Dictionary facts from ECDICT, WIKTIONARY.