I live in the city of Montgomery.

He has astronomical knowledge.

When you pass through this gate, a new world is spreading.

He was hospitalized due to mental derangement.

A dwarf planet is one of the smallest celestial bodies in the solar system.

My older brother is currently working hard on his research as a graduate student.

He took a tranquilizer to calm his nerves.

What is the market price of this product?

I love biology.

This ring is made of lazurite.