mononuclear phygocyte system

例句：

1. 1.The mononuclear phygocyte system plays a crucial role in the immune response.
   单核细胞系统在免疫反应中起着至关重要的作用。
2. 2. The study of the mononuclear phygocyte system has led to new insights into disease development.
   对单核细胞系统的研究表明了疾病发展的新见解。
3. 3.The mononuclear phygocyte system is responsible for the body's defense against foreign invaders.
   单核细胞系统负责身体对外来入侵者的防御。