humoral immune function

例句：

1. 1.The human body has a complex immune function that protects us from disease.
   人体具有复杂的免疫功能，保护我们免受疾病侵害。
2. 2.The immune system is the body's first line of defense against infections.
   免疫系统是身体抵御感染的第一道防线。
3. 3.During an infection, the immune response helps to fight off the virus or bacteria.
   在感染期间，免疫系统会帮助抵抗病毒或细菌。