专家: specialist; expert; proficient 短语和例子水稻专家 expert in rice-growing; 外国专家 foreign expert; 外语专家 foreign language expert; 心脏病专家 specialist in heart disease; 眼科专家 ophthalmologist; eye specialist;
专业: 1.(学校学科分类)specialized subject; special field of study; speciality; discipline 短语和例子这个系有四个专业。the department offers four specialities.2.(生产部门的各业务部门) specialized trade or profession; special