This curtain is made of fire-retardant material.

He was working as a frontier guard in ancient Japan.

The 畝 is a traditional unit of measurement in Japan.

My father works at a trading company.

This book is in 10 volumes.

His novel depicts a world of fantasy.

He is world-famous as a comparative linguist.

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

The police contacted the victim's family.

He is an excellent translator.