主修

Concentrators in geological sciences elect either geology or geography.

主学的学要选学或理课程。

She majored in Maths and Physics at university.

她在大学里主数学和物理。

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

斯通先在哥伦比大学度过了他四年的大学活, 主经济学。

He is a history major.

他是主历史的学。