He was working all day long.

He ate one apple.

I ate one apple.

I ate one apple.

Ichii is my best friend.

He is solely devoted to his work.

I kept talking with him for over an hour.

The dromedary camel lives in the desert.

Monotremata is a part of mammals, and it has different characteristics from other animals such as birds and reptiles.

I hit the jackpot with a trifecta.