He wrote off my debt.

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

He is planning to come to the city hall tomorrow.

He is planning to come to the city hall tomorrow.

He was called an enemy of the emperor, and was regarded as a traitor to the emperor.

The patent office issues patents for new inventions.

Migratory birds move seasonally while observing the beautiful scenery of Japan.

He made himself a multimillionaire through hard work and talent.

Every day, I write down my feelings and events in my diary.

His speech captivated the audience.