My brother is a master of Taido.

We belong to the same class.

This statue is made of copper.

He found an old copper coin.

I have ultra-high-speed internet at my home.

He played a character who surpasses his own limits.

He is world-famous as an astronomer.

Radio astronomy plays a very important role in understanding the universe.

He has astronomical knowledge.

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