n.专家;专科医生;
例句:
This book is intended for the general reader, not for the specialist.
这本书是为一般读者写的, 不是为专家写的.
Well I am the world greatest headache specialist, you know.
你知道,我是这世界上最伟大的头疼病治疗专家.
One is to ask a specialist to explain fortune slips that are drawn.
其一是请专家解读抽到的签诗.