immune

adj. /ɪˈmjuːn/ B2

有免疫力的；不受影响的

Protected against a specific disease or unaffected by something.

仙境例句

Only the cook and the grinning Cat seemed immune to all that pepper.

只有厨娘和那只咧嘴笑的猫，好像对满屋的胡椒毫无反应。