He received training to handle a heavy machine gun.

He entered the forest with a shotgun.

He worked as a rear gunner in a fighter plane.

He continues to practice in search of complete enlightenment.

My younger brother is attending a middle education school.

My younger brother goes to a school for special needs.

If the balance of the triple burner is disrupted, you may feel unwell.

He made a model of a triangular pyramid.

Isami is my best friend.

The three states of matter are solid, liquid, and gas.