He is studying the function of the dilator naris.

The external anal sphincter plays a crucial role in helping us control defecation.

I use hair tonic every night.

Because he received Spartan education, he has a very strict character.

My commuter pass expires next week.

Above all, grammar is the most important in learning Japanese.

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.