His role is to fulfill his responsibilities as a leader.

This project is nonessential and nonurgent, so let's finish other important tasks first.

Gender roles are an important element in defining individual behavior in society.

Last night, I overate and suffered from indigestion.

The anal sphincter is an important part of the body.

The treasure container is decorated with a beautiful design.

He bought a new musical instrument.

He bought a new music player.

This incubator is an essential device for protecting the lives of newborns.

This food may contain carcinogens.