他对这一疾病的起因做了很多研究。

He has done much research on the cause of this disease.

youdao

然后他做了很多研究来证明他的假设。

Then he did many researches to prove his suppose.

youdao

人们在用光催化治理环境方面做了很多研究。

Much research work on environment improvement has been done.

youdao

关于其他领域的研究，我们在验证标记物方面做了很多研究工作。

Other areas we have done quite a lot of work on are inflammatory markers.

youdao

你知道DeanAdams在印度尼西亚做了很多实地考察研究吗？

Did you know Dean Adams did a lot of field research in Indonesia?

youdao

我做了大量研究发现，他也是一个遭遇很多生活不幸的人。

I did enough to know that there was a lot of unhappiness in his life.

youdao

人类已经做了很多关于宇宙的研究。

Man has done much research in our universe.

youdao

我做了很多这方面的研究。

I did a lot of research on this subject.

youdao

你对我做了很多的研究啊！

You did a lot of research on me!

youdao

你对我做了很多的研究啊！

You did a lot of research on me!

youdao