Archimedes was a great mathematician of ancient Greece.

We had a picnic in the field.

I can't understand the reason for his actions.

Ri is my best friend.

His actions are not reasonable at all.

Understanding the original principle is important for solving problems.

Mr. Hara is my best friend.

This is my original.

He wrote the original plan for this movie.

There was a large cargo loaded on the starboard of the ship.