immune response
noun [ C usually singular ] uk/ɪˈmjuːn rɪˌspɒns/ us/ɪˈmjuːn rɪˌspɑːns/
免疫反应（由体内的抗原引发的反应，过程中抗原制造抗体，抗体负责杀死致病的细菌或病毒，以对抗疾病）
the reaction within the body that is caused by antigens (= foreign substances) and results in the production of antibodies that can fight disease by killing the bacteria or viruses that cause it