My brother is a graduate student at the University of Tokyo.

He is a world-renowned researcher.

My laboratory is on the third floor of the university.

He is known as an excellent researcher.

I am a member of that research association.

We are focusing on the research and development of new products.

I conducted a research project as a summer vacation homework.

He learned the old character form of 學 to study ancient documents.

The infectious capacity of this virus is very strong.

The number of people infected with the new coronavirus is rapidly increasing.