tissue immunity

例句：

1. 1. The immune system in the human body is primarily responsible for fighting off infections.
   人体免疫系统主要负责抵抗感染。
2. 2. Tissue immunity is a crucial factor in preventing the spread of diseases.
   组织免疫力是预防疾病传播的关键因素。
3. 3. In recent years, scientists have been exploring ways to enhance tissue immunity through genetic engineering.
   近年来，科学家们一直在探索通过基因工程增强组织免疫力的方法。