| 释义 | 
		n. authority,expert,boffin,maven,whiz 1.  | 专家a person who is an expert in a particular area of work or study  |  
  | a specialist in Japanese history 日本史专家  |  
 2.  | 专科医生a doctor who has specialized in a particular area of medicine  |  
  | a cancer specialist 癌症专科医生  |  
 n.  | 1. someone whose training, education, or experience makes them an expert in a particular subject 2. a doctor who is an expert in a specific area of medical work  |  
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