hematologist

例句：

1. 1. He is a renowned hematologist who has treated many patients with leukemia.
   他是一位著名的血液学专家，曾经治疗过许多患有白血病的患者。
2. 2. The hematologist recommended a bone marrow transplant for his brother.
   这位血液学专家建议他的哥哥进行骨髓移植。
3. 3.She consulted a hematologist about her blood pressure issues.
   她咨询了一位血液学专家关于她的血压问题。