Mr. Sudo is my best friend.

He is an expert in ethology.

This area is rich in green tuff.

This area is rich in green tuff, forming a distinctive landscape.

The North Atlantic Current plays an important role in oceanography.

That abandoned factory was once full of vitality.

He made some preliminary statements before getting to the main topic.

The doctor examined my levator glandulae thyroideae.

He lost his voice due to damage to the thyroid cartilage.

We are always aiming for the improvement of our services.