He is an expert in chemistry.

He is a person who values practical studies.

Morphology, which is a part of linguistics, studies the structure of words.

He is deeply immersed in the study of Confucianism.

He is majoring in political science at university.

He is an expert in bibliography and has many publications.

In geology, morphology is the field that studies the shape and structure of the terrain.

He is an expert in ecology.

He devoted his life to the study of science.

I am interested in the ancient Kyūjitai form of 雅楽.