immunity
noun [ U ] uk/ɪˈmjuː.nə.ti/ us/ɪˈmjuː.nə.t̬i/
免疫;免除;豁免
a situation in which you are protected against disease or from legal action
The vaccination gives you immunity against the disease for up to six months. 注射这种疫苗会使你对这种疾病有长达6个月的免疫力。
He was granted immunity from prosecution because he confessed the names of the other spies. 他因供出了其他间谍的名字而免受起诉。