He is an expert in embryology, studying the developmental processes of many kinds of organisms.

I am majoring in embryology at university.

The president makes the final decisions regarding the operation of the university.

He is a world-renowned scholar.

I set aside time for study every day.

His jawline is very attractive.

He is majoring in pharmacy.

He majors in medicine.

He decided to study abroad in America.

He loves science classes.