He is a famous osteologist, studying many fossils.

I bought a new study aid for my math exam.

My sister works as a physical therapist.

This baked skewered tofu in miso sauce has a very good flavor.

Proletarian literature is a type of literature that depicts the life and struggles of the working class.

Infrared astronomy plays a very important role in the study of the universe.

My uncle is a famous zoologist.

He is an expert in astrophysics.

He is an expert in molecular biology.

I am majoring in developmental biology at university.