As an astronomer, he discovered a new star cluster.

The walrus is a large marine mammal that lives in the Arctic.

He didn't give in to anger, he kept his reason.

He is known as a person with power and influence in this town.

Asei is my elder brother.

Maybe because of lack of sleep, my head feels fuzzy.

He is a student at the University of Tokyo.

I love biology.

Phonetics is a part of linguistics that studies the physical, physiological, and psychological aspects of sounds.

Geopolitics is the key to understanding important aspects of international relations.