1·I majored in English and minored French back in my college.
我大学的时候专业是英语，辅修法语。
2·He's a research assistant in the particle physics lab, but he also minored in theater at MIT.
他是实用物理学实验室的助教，但他也在麻省理工学院辅修戏剧表演。
3·I majored in Industrial Engineering and minored in Management, and I took 120 hours' computer courses.
我的主修专业是工业工程，辅修专业是管理，还修了120学时的计算机课程。
4·I I majored in English and minored in French back in my college.
我大学时候的专业是英语，辅修法语。
5·I majored in English and minored in French by my college.
我大学时候的专业是英语，辅修法语。