Ryutaro is my best friend.

He is studying a classical school of thought.

What is this granule made from?

The Azure Dragon is a mythical beast that symbolizes the eastern direction.

Ammonium sulphate is widely used as a fertilizer.

He destroyed the enemy base using a high explosive.

He was staying overseas for a long time for work.

Enryu is my best friend.

The false rumor hurt his reputation.

My grandfather has been suffering from high blood pressure for many years.