He and I have a deep and close relationship.

The rotator cervicis is an important muscle for turning the neck left and right.

He is doing special exercises to strengthen his platysma.

The longissimus cervicis muscle is a part of the neck muscles, helping to pull the head back.

The Japanese night heron was quietly targeting fish in the pond.

The theory of phonetic shift is an important part of linguistics.

This book explains in detail about various sexual positions.

She decided to try the reverse cowgirl position.

Have you finished this year's big cleaning yet?

I was cleaning all day today.