It's zero degrees outside.

Rei, where are you going today?

Zero is used to represent absolute zero.

The Imperial Japanese Navy was once the navy of Japan.

He fought bravely in that battle.

I will go to bed early today to play in a soccer match tomorrow.

He is against war.

Mr. Ikusa is my best friend.

He is a character who fights bravely.

The capital ship protected us from the enemy's attack.