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

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

I learned soroban when I was a child.

His words were filled with a flood of emotions.

This love will continue for eternity.

His preparation was perfect.

His plan is perfect, there is no room for failure.

In this world, the law of all things exists.

An international exposition will be held in Osaka next year.

He is a master of versatility, capable of handling anything.