He made a study of the problem.

他对这个问题进行了研究。

youdao

Bill made a study of the market and he's prepared a report for us.Bill, would you please?

比尔做了市场调查，也为大家准备了一份报告。比尔，可以开始吗？

youdao

Bill made a study of the market and he's prepared a report for us. Bill, would you please?

比尔做了市场调查，也为大家准备了一份报告。比尔，可以开始吗？

youdao

In a new study, scientists in the United States tested vaccines made with two kinds of inactivated virus.

VOA: special.2010.07.12

It's the sort of thing that we can put on a scale and prod with a stick and the biologists can study, presumably made up of various kinds of molecules, atoms and so forth. So we've got the body.

这是一种我们可以称重,可被棍打,可被生物学家研究的东西,想必是由不计其数的分子,原子等构成,于是我们有了肉体

耶鲁公开课 - 死亡课程节选

Ever since then, Warwick has made a study of what it takes to do better than everyone else.

NPR: Excerpt: 'Better: A Surgeon's Notes on Performance'

Mr Sengoku has made a study of waste in public corporations.

ECONOMIST: Japan: Who governs? | The

Chris McManus, a professor of psychology at University College London who has made a study of the pros and cons of left-handedness, said it was true that left-handers did have an advantage in a fight.

BBC: NEWS | Health | Left-handers 'better in fights'