specialist
['speʃ.əl.ɪst] noun countable
IMPROVER
■someone who has a lot of experience, knowledge or skill in a particular subject 专家；专业人员•a software specialist软体专家 •She's a specialist in modern French literature.她是现代法国文学专家。 •specialist advice/help专家建议／专业帮助 IMPROVER (UK also consultant)
■a doctor who has special training in and knowledge of a particular area of medicine 专科医生•She's a specialist in childhood illnesses.她是小儿科专家。 •I've asked to be referred to a specialist about my back pain.我已经要求转诊，让专科医生来治我的背痛。 •a leading cancer/eye specialist杰出的癌症／眼科专家 |