The mirror ball is shining at the disco.

We enjoyed a ball game in the park.

He was playing by bouncing a superball.

He is not necessarily wrong.

I'm going to play paintball with my friends this weekend.

She started dancing in the ballroom.

I played with a beach ball at the sea.

He was so nervous that his hands stiffened.

This material has ferromagnetism.

When the strong shaking occurred, we immediately evacuated.