This mineral is called ulexite and has special optical properties.

He always boasts, but in reality, he does nothing.

He has a habit of always boasting.

He always lives a life appropriate to his lot.

He is living a life appropriate to his status.

As the name suggests, onychophorans are a unique group of animals that have claws.

I strafed the enemy's position.

The enemy plane carried out a strafing on our position.

This cheese is vacuum packed and can be stored for a long time.

I'll leave the ending of this story to your imagination.