交流: 1.(彼此把自己有的供给对方) exchange; interflow; interchange 短语和例子交流经验 exchange experience; draw on each other's experience; 交流计划 exchange programme; 城乡物资交流 flow of goods and materials between city an
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