He wrote a sentence using a period.

Have a nice day.

The police believe that all these incidents were committed by the same criminal.

He was working on that project round the clock.

We enjoy picnicking in this park year-round.

He is working round the clock.

His shots are always on target.

He is suffering from muscle pain in his middle scalene muscle.

The middle pharyngeal constrictor is an important muscle that helps with swallowing.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.