immunity
n. 免疫力；免除，豁免
复数 immunities
例句
The vaccine provides longer immunity against flu.
这种疫苗对流感的免疫效力时间较长。
《牛津词典》
Birds in outside cages develop immunity to airborne bacteria.
养在户外笼子里的鸟对空气传播的病毒有免疫力。
《柯林斯英汉双解大词典》
The embassy official claimed diplomatic immunity and was later released.
大使馆官员要求使用外交豁免权，并于稍后被释放。
