维修: keep in (good) repair; service; maintain 短语和例子维修良好 in good repair; 维修房屋 maintain houses and buildings; 维修汽车 service a car; 设备维修 maintenance of equipment; upkeep of equipment; 需要维修 need (pu
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
