immunocyte

例句：

1. 1. The immune system is responsible for protecting the body from infections.
   免疫系统负责保护身体免受感染。
2. 2. The immune cells are crucial in fighting off diseases.
   免疫细胞在抵抗疾病中至关重要。
3. 3. During an infection, the immune cells work together to destroy the pathogen.
   在感染期间，免疫细胞协同工作以摧毁病原体。