Majori毛约里majoradj.较多的；主要的；严重的；(音乐)大调的n.成年人；主修（科目）；陆军少校；举足轻重者v.主修major leader主要领导者major reform重大改革major events大型活动major orders大品major crisis重大危机major defect主要缺陷major module主模块major hazard重大危险源major-gene主基因major recipe大方, 大剂量方

1. He majors in Russian literature.
   他主修俄罗斯文学。
2. English is his major and history is his minor.
   他主修英文，副修历史。
3. Many students specialize in engineering.
   许多学生专攻工程学。
4. I'm majoring in business administration in college.
   在大学里我专攻商业管理。
5. I majored in English but now I major in French.
   我曾专修过英语，但现在我主修法语。
6. Mike specializes in the history of fashion at the university.
   迈克在大学里专修时装史。