leukoma

例句：

1. 1. The doctor examined the patient's white blood cells to determine if they were infected.
   医生检查了患者的白细胞，以确定他们是否感染了。
2. 2.The study found that the number of white blood cells in the patient's body was significantly lower than normal.
   研究发现，患者体内白细胞的数量明显低于正常水平。
3. 3. The patient's white blood cells were tested for any signs of infection or disease.
   患者被检测其白细胞是否有任何感染或疾病的迹象。