Demography is an important tool for understanding various aspects of society.

This compound has a tetrahedral molecular geometry.

During winter, my energy bill significantly increases.

He had a throat problem, and it was found that his posterior cricoarytenoid muscle was not functioning properly.

The Koizumi Shinjiro structure brought a new wind to Japanese politics.

Alternating hot-cold baths have the effect of improving blood circulation in the body.

When that scandal became public, his reputation was greatly damaged.

Have you ever been to Hanawa?

He looked like a god.

We were waiting in the waiting room until the concert started.