Keiko is my best friend.

His behavior was not suitable for his position.

He learned the style of the painting to imitate the ancient artist.

A barred spiral galaxy can be said to be a work of art in the universe because of its beautiful shape.

An irregular galaxy is a type of galaxy that does not have a definite shape.

A starburst galaxy is a galaxy where stars are being born very actively.

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

Japan's real economic growth rate is expected to exceed 2% this year.

Please turn on the TV.

I soak my toothbrush in mouthwash every night.