专业课英文怎么说

specified subjest

major classsenior official of the UNfreed professionals

major course

专业课， major courses, professional classes联合国的高官，senior officials of the United Nations, UN senior officials自由职业者 self employed

专业必修课：Professional compulsory course 公共选修课：public Selective course专业基础课：Professional Basic Course、Major Basic Course公共基础课Public Basic Course专业选修课Professional Selective Course任意选修课Optional Elective Course专业主干课Major Principal Course、实践环节Practical Stage供参考

specializedcourse专业课major主修课minor辅修课compulsorycourse必修课optionalcourse选修课

compulsory courses, elective courses, professional courses, public courses 必修课，选修课，专业课，公共课

Specialized course