“fossilize”造句，怎麼用fossilize造句

Needs change while policies fossilize.

The tissue and cartilage of a nose are too soft to fossilize.

They seem to want to fossilize the environment in which people live and work.

As well-studied as dinosaurs have been over the past couple of centuries, paleontologists have learned little about their breathing, because lungs do not fossilize.