Translation of "Immune" in Chinese

They are immune to attack.

他们不受攻击的影响。

Everybody is immune to smallpox nowadays.

現今每個人都對天花免疫了。

Every person in this community is like a cell in the immune system of a healthy human body.

这个团体内的每个人，像是一个健康的人体内免疫系统里的细胞。