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immunity是什么意思

immunity

英[ɪˈmju:nəti] 美[ɪˈmjunɪti]

n.免除，豁免；免疫力

safety license concession freedom security

双语例句

1 . The embassy official claimed diplomatic immunity and was later released.: 那名使馆官员申请外交豁免，随后被释放。

2 . Because of the immunity of the immature insects, it'simportant to spray regularly.: 由于幼虫对药物有免疫力，因此必须经常喷药。

3 . The police are offering immunity to witnesses.: 警方对证人将免予起诉。

4 . The vaccine provides longer immunity against flu.: 这种疫苗对流感的免疫效力时间较长。