His eyes were gleaming.

Hikari is my best friend.

On nights when the moon shines brightly, I feel special.

He reflexively dodged the ball.

His reflexes are very sharp.

The spinal reflex is a part of our body that reacts automatically.

He is wearing a jacket with reflective material for night running.

This is a model of a mutetrahedron.

This is a model of a muoctahedron.

This mutetrahedron has a very unusual shape.