免疫性

例句：

1. 1. The immune system is responsible for protecting the body against foreign invaders.
   免疫系统负责保护身体免受外来入侵者的伤害。
2. 2.Researchers are studying the immune response to understand how the body fights off infections.
   研究人员正在研究免疫系统的反应，以了解身体如何抵抗感染。
3. 3. The study of immunology has led to many breakthroughs in medicine.
   免疫学的研究已经为医学领域带来了许多突破。