主修

Concentrators in geological sciences elect either geology or geography.

主修地质学学生要选修地质学或地课程。

She majored in Maths and Physics at university.

她在学里主修数学和。

Mr. Stone spent his undergraduate days in Columbia University, majoring in economics.

通先生在哥伦比学度过了他四学生活, 主修经济学。

He is a history major.

他是主修历史学生。