leprologist

例句：

1. 1.He is a renowned leprologist who has made significant contributions to the field.
   他是一位著名的血液学家，对这一领域做出了重大贡献。
2. 2. The patient's condition required immediate medical attention, so he was taken to the hospital for a leprologist consultation.
   病人的状况需要立即医疗关注，因此他被带到了医院进行血液学专家的咨询。
3. 3. Dr.Smith, a leading leprologist in his field, is now retiring after 30 years of dedicated service.
   史密斯博士是该领域的领先血液学专家，现在退休了，他在服务了30年后退休。