Many toxic effects can be studied at the cellular level.
許多毒效可以從細(xì)胞層次上去研究。
She studied chemistry for three years.
她學(xué)了三年化學(xué)。
I studied English and Drama at college.
我在大學(xué)學(xué)的是英語(yǔ)和戲劇。
My brother studied at the Royal College of Art.
我哥哥曾就學(xué)于皇家美術(shù)學(xué)院。
The report found that 30% of the firms studied had failed within a year.
據(jù)報(bào)告稱，受調(diào)查的公司有30%一年內(nèi)倒閉了。