preleukemic

例句：

1. 1.The patient was diagnosed with preleukemia and required immediate treatment.
   这名患者被诊断出患有白血病，需要立即治疗。
2. 2. Preleukemia is a type of cancer that affects the blood-forming cells in the bone marrow.
   白血病是一种影响骨髓中血细胞的癌症类型。
3. 3. Early detection and treatment of preleukemia can significantly improve survival rates.
   早期发现和治疗白血病可以显著提高生存率。