我们从事于艺术创作。

We are engaged in artistic creation.

他们从事于环保工作。

They are engaged in environmental work.

他一直从事于社会服务。

He has been engaged in social services.

她从事于科学研究。

She is engaged in scientific research.

他从事于教育行业。

He is engaged in the education industry.

他从事于医学的研究.

He was engaged in medical research.

我们应全部从事于好的目标.

We should all be engaged in good causes.

他从事于欧洲诸语言的比较研究.

He is engaged in a comparative study of European languages.

他从事于教学工作.

He is engaged in teaching.

正是在这儿，博士从事于蛇类的研究。

It was here that the doctor engaged in a study of snakes.