主修

Concentrators in geological sciences elect either geology or geography.

主修地质学的学生要选修地质学或地理课程。

She majored in Maths and Physics at university.

她在大学里主修数学和物理。

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

斯通先生在哥伦比大学度过了他四年的大学生活, 主修经济学。

He is a history major.

他是主修历史的学生。