A beautiful halo was floating above her head.

He was fishing using a swivel.

Studying the life cycle of this insect is very interesting.

She slipped a beautiful ring onto her finger.

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

He likes to take a walk in the park at dusk.

Alicyclic compounds play an important role in organic chemistry.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

I learned the theory of commutative rings at university.

New products are lining up in stores one after another.