A supercluster is part of the large-scale structure of the universe.

Nuclear power is greatly anticipated as a future energy source.

His fighting strength is very high.

He solved the problem on his own.

The Riemann sum is a method for approximately calculating the integral of a function.

Both of my parents are doctors.

Ryou is my best friend.

I had lunch with my colleague.

My dormitory is close to the school.

My university dormitory is very convenient.