leuko-

例句：

1. 1. The patient's leukocyte count was elevated.
   患者的白细胞计数升高。
2. 2. The study found that leukemia is a type of cancer.
   研究发现，白血病是一种癌症。
3. 3. The doctor advised the patient to take extra care with his leukopenia.
   医生建议患者注意他的白细胞减少症。