A red sun has risen in the sky.

He is a complete stranger to me.

He crossed the road ignoring the red light.

This camera has a function to detect infrared.

I saw a red fox in the park.

This mineral is called bieberite, and it is very rare in the world of mineralogy.

The red stingray lives at the bottom of the sea.

The red stingray lives at the bottom of the sea.

I got a failing grade in math.

The story of Akazukin is very instructive for children.