megalocyte

例句：

1. 1. Megaloblastic anemia is a condition where the red blood cells are abnormally large.
   巨红细胞贫血是一种红细胞异常增大的状况。
2. 2. The researcher found that the macrophages were active in fighting off infections.
   研究者发现巨噬细胞在抵抗感染中非常活跃。
3. 3.The patient's immune system was compromised due to the infection, leading to the development of a giant cell tumor.
   由于感染导致患者的免疫系统受损，最终发展成巨细胞肿瘤。