Projective geometry is a branch of mathematics that studies geometric objects such as points, lines, and planes and their relationships.

Hygiene is very important for maintaining health.

This character is the old form of 衛.

Believing in the power of defense, we challenged the battle.

His eyes were sharp, as if nothing could be hidden.

He is the hero of our town.

I swim in the pool every weekend.

He is running a restaurant.

Weather forecasts are made using data from weather satellites.

We have started the management of a new project.