adj.专家的(专门学科的)
He is a plastic surgery specialist. 他是个整形外科医生。
Her mother is an eye specialist. 她母亲是眼科专家。
An advocate of or a specialist in eugenics. 优生学家优生学方面的专家或倡导者
The doctor referred the patient to a specialist. 这位医生把病人转介绍给专门医生诊治。
Dr. Li is a specialist in information retrieval. 李博士是位信息检索专家。
We profit from the work of the specialist. 我们从专家的工作中得到益处。