He is working in the field of science.

He is majoring in linguistics.

Part of this movie is based on actual events.

The structure of this building is very complex.

What does this shape represent?

He is researching about a new energy source.

He is conducting research on a new energy source.

He is known as a person with learning.

His words always resonate in my heart.

His kindness is so great that it's unable to put into words.