<美>（在大学）同时主修两个专业的学生

双学位（完成两个科目的主修的必修课）；双主修；双专业

double majors───双学位（完成两个科目的主修的必修课）；双主修；双专业

double bar───复纵线

double measure───双面装修

double dagger───双刃剑

double act───双人表演，双簧；联袂演出

double acts───双人表演，双簧；联袂演出

double back───循原路折回；往回逃跑；把…对折

I'm a junior Computer Science and Linguistics double major.───我是计算机科学和语言学双学位的大三学生。

She is working for her double major in English and Economics.───她正在修英语和经济双学位.

I'm now working on a double major.───我目前在攻读双学位.

She graduated from Beijing university with a double - major in Economics and Environmental Science.───她毕业于北京大学,获得经济和环境科学双专业毕业证.

In Morris, you could also double major other things.───在莫里斯，你还可以双选其他专业。

As an undergraduate, I had a double major of Chinese and Mass Communication.───本人在读大学本科时, 曾主修中文和大众传播学.

Safety and health double major.───安全健康双重要。

She's doing a double major in political science and economics.

As an undergraduate, I had a double major of Chinese and Mass Communication.