Mammals can maintain a constant body temperature.

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

I am majoring in the psychology department at university.

Part of this movie is based on actual events.

A rat came out in the garden.

You can often see harbour porpoises in that bay.

His eyes are very sharp.

He told me the whole story of the incident.

He fell for a pyramid scheme and lost a lot of money.