Anatase is a type of titanium oxide, characterized by the shape of its crystals.

The characteristic of this building is its unique design.

This is a kind of flower.

This ring is made of titanium.

His sharp gaze pierced me.

I am amazed at his keen observation skills.

He took the sharp weapon in his hand and advanced towards the enemy.

His knife is very sharp.

His eyes were sharp, as if nothing could be hidden.

He used a drill to make holes in the wood.