主修

She majored in Maths and Physics at university.

她在大学里主数学和物理。

Concentrators in geological sciences elect either geology or geography.

主学的学要选学或理课程。

He is a history major.

他是主历史的学。

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

斯通先在哥伦比亚大学度过了他四年的大学活, 主学。