| 单词 | acquired immunity |
| 释义 | acquired immunity【化】 获得免疫性【医】 后天免疫 acquired immunity acquired immunity n.（名词）Immunity obtained either from the development of antibodies in response to exposure to an antigen, as from vaccination or an attack of an infectious disease, or from the transmission of antibodies, as from mother to fetus through the placenta or the injection of antiserum.获得性免疫力：通过暴露于抗原而使抗体得以发展，如通过接种或传染性疾病的侵袭，或是通过抗体的转移，如母亲通过胎盘传给胎儿或注射抗血清 |
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