她主修化学。

She majors in chemistry.

《新英汉大辞典》

在牛津的SOMERVILLE学院，玛格·丽特主修化学，不是因为兴趣，而是她明白这样可以有一个职业保障。

At Oxford's Somerville College, Margaret studied chemistry, not out of any basic interest, but because she knew it would guarantee a job.

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她的主修科目是化学。

Her major subject is chemistry.

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她的主修科目是化学。

Her major subject is chemistry.

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