He is studying computer science at a specialized school.

He is a specialist fool, with no interest in anything outside his field.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.

He broke his leg bone.

Many ancient bones were found in this ancient ruins.

Bones of ancient people were discovered from this ruins.

He is involved in the development of androids.

He became distrustful of other people due to his past experiences.

He always supports my opinion.