The external urethral sphincter is an important muscle for controlling the excretion of urine.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

He is majoring in moral philosophy at university.

He is a famous athlete.

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

Living together with him was a new experience for me.

I want to go see a Broadway musical.

It's difficult to spot changes in odds in horse racing.

This area is equipped with a sewer installed by the prefecture, making life very convenient.

Many students are gathering in the lecture hall.