充足的睡眠有助于增强身体对感冒的免疫力。

Getting enough sleep helps boost your ___immunity against colds.

外交官享有法律豁免权，不能被起诉。

Diplomats have legal ___immunity and cannot be prosecuted.

接种疫苗可以增强身体对病毒的免疫力。

Vaccinations help improve your ___immunity against viruses.