Fundamental interaction is one of the most important forces in physics.

My Keeshond is very smart.

The prime meridian is the line that serves as a reference for determining the longitude of any point on Earth.

According to the Imperial Headquarters announcement, the war situation is progressing favorably.

We need to solve the problem in the production environment.

The Great Eastern Japan Earthquake is one of the most damaging earthquakes in Japanese history.

He participated in the anti-war movement.

The volcano erupted.