Mammals can maintain a constant body temperature.

The Cricetidae are a part of the mammals that belong to the order Rodentia.

Part of this movie is based on actual events.

I am majoring in the psychology department at university.

A rat came out in the garden.

You can often see harbour porpoises in that bay.

His eyes are very sharp.

My favorite subject is mathematics.

He was arrested for committing a crime.