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
物理: 1.(事物的内在规律) innate laws of things2.(物理学) physics 短语和例子应用物理 applied physics; physical; 各种土壤的物理成分 the physics of different soils; 物理变化 physical change; 物理定律 physical law; 物理化学 physical chemi