haematologist       
noun [ C ]  medical UK specialized (US hematologist) uk/ˌhiː.məˈtɒl.ə.dʒɪst/ us/ˌhiː.məˈtɑː.lə.dʒɪst/
 血液病学家,血液病医生
a doctor who specializes in diseases of the bood and the body tissues that make it
  He is a senior haematologist specializing in blood cancers. 他是一名资深血液病学家,专长是血癌。 
 Some haematologists believe that all blood should be routinely filtered. 一些血液病医生相信应该对所有血液做经常性过滤。 
 See: haematology
 - More examples
 - She is a haematologist at the Sick Children's Hospital in Edinburgh.
 - Some of the diseases diagnosed by the haematologist are leukaemia, malaria and anaemia
 - A follow-up appointment with the haematologist was arranged.