She studied chemistry for three years.
她學了三年化學。
I studied English and Drama at college.
我在大學學的是英語和戲劇。
My brother studied at the Royal College of Art.
我哥哥曾就學于皇家美術學院。
The report found that 30% of the firms studied had failed within a year.
據報告稱，受調查的公司有30%一年內倒閉了。
He studied politics and economics at Yale.
他曾在耶魯大學學習政治學和經濟學。