hy.drox.y.u.re.a
n.（名词）An antineoplastic drug, CH4N 2O 2, that suppresses the production of blood cell precursors in the bone marrow and is used in the treatment of certain leukemias, carcinomas, and sickle cell anemia. 羟基尿素：抗肿瘤药剂，CH4N 2O 2，抑制骨髓中血细胞前体的产生，用于治疗某些白血病、癌和镰状细胞性贫血
