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

He was working on that project round the clock.

We enjoy picnicking in this park year-round.

He is working round the clock.

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.

He won a trophy in the tournament.

He works at a racetrack.

He is playing the shortstop position.

Scotland Yard is a famous police station in London.

Scotland Yard is the headquarters of the British police in London.