He found forensic evidence.

He is an expert in fluid mechanics.

This fashion spread quickly.

My younger brother caught the influenza.

This area is equipped with a sewer installed by the prefecture, making life very convenient.

The Brachiosaurus was a very large dinosaur.

Ryuu raised his axe.

Mr. Kaiboku is my best friend.

Saturated fatty acids may increase the risk of heart disease.

He is an expert in international law.