He tapped the table with his finger.

He tapped the table with his finger.

He was obsessed with making love to her.

They (referring to women or girls) are my best friends.

He looked at the map and pointed at the destination.

A beautiful halo was floating above her head.

He is an expert in ring theory and has written many papers in the field.

Studying the life cycle of this insect is very interesting.

The benzene ring is a very important concept in organic chemistry.

This ring-shaped sandspit symbolizes the beauty of nature.