He is world-famous as a comparative linguist.

This book is in 10 volumes.

The International Atomic Energy Agency is an international organization that promotes the peaceful use of nuclear energy.

He keeps the words 'Don't hesitate to correct your mistakes when you make them' in his heart, always striving for self-improvement.

Amaterasu Omikami is one of the gods our ancestors believed in.

I bought a new costume for Halloween.

The phone rang in the middle of the night.

Polytetrafluoroethylene is a very slippery material.

He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

The Mesolithic is the era between the Paleolithic and the Neolithic.