Phrase
active immunity
主动免疫；自动免疫
active immunity: a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
- 1.
a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
机体自行产生抗体对抗致病抗原的获得性免疫
机体自行产生抗体对抗致病抗原的获得性免疫；自动免疫性；[医] 自动免疫
In use
Vaccination can provide active immunity by stimulating the body to produce its own antibodies.
After recovering from chickenpox, children develop active immunity that protects them for life.
To achieve active immunity, the immune system must be exposed to a pathogen or a vaccine.
have/develop active immunity
主动语态，表示获得自动免疫。
After vaccination, the body develops active immunity.
接种疫苗后，身体产生自动免疫。
active immunity against/to something
常与against或to连用，表示对特定病原体的免疫。
The vaccine provides active immunity to the virus.
该疫苗提供对病毒的自动免疫。
induce active immunity
医学语境中常见，表示引发自动免疫。
Exposure to the antigen induces active immunity.
接触抗原诱发了自动免疫。
Common mistakes
After vaccination, you have active immune to the virus.After vaccination, you have active immunity to the virus.
中文学习者常把名词'immunity'误用作形容词'immune'。正确的搭配是'active immunity'作为名词短语。
He developed active immunity for the disease.He developed active immunity to the disease.
表达'对…的免疫'时，名词'immunity'后应使用介词'to'，而不是'for'。
Connections
Confusing words
- passive immunity
- 被动免疫 · 主动免疫（active immunity）指个体自身产生抗体，通常持续较久；被动免疫是直接获得外源抗体，如通过疫苗或母体传递，持续时间较短。
- autoimmunity
- 自身免疫 · 主动免疫是机体对外来抗原产生免疫反应；自身免疫是免疫系统错误攻击自身组织。
Word family
- immune
- 免疫的 · adj
- immunize
- 使免疫 · v
- immunization
- 免疫接种 · n
- activate
- 激活 · v
Learner notes
Grammar Note
通常用单数
Dictionary facts from ECDICT.