n.免疫；免疫性；免除；豁免

Children who have gotten the chickenpox build an immunity to it so that they do not get it a second time. 已經(jīng)得過水痘的小孩會(huì)對(duì)它免疫,所以不會(huì)再得第二次。

This vaccine will give you immunity for two years. 接種這種疫苗可有兩年免疫力。

Nobody will be given immunity from taxation. 沒有人可以免除被征稅。

He has diplomatic immunity. 他有外交豁免權(quán)。

自身免疫