C2 noun #142,124 最常用

a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens

active immunity 30秒了解

  • (noun) a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens

Meanings

  1. 1
    noun a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
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