He is known as a controversialist.

He can speak Russian fluently.

Mr. Tashiro is my best friend.

Iwashiro is an ancient place name in Japan, referring to a part of present-day Fukushima Prefecture.

I recorded music with my new sound recorder.

Komuro is my best friend.

This pasta is generously made with luxurious truffles.

He is an expert in ring theory and has written many papers in the field.

The citric acid cycle plays a crucial role in the energy production of cells.

They built an abatis to prevent the enemy's invasion.