denser造句
Songbirdbonesmaybehollow,butthey'reactuallydenserthanthebonesofmammalsofthesamesize.Theprocessblastedoutmaterialtoformthebubblestructureofglowinggasagainstdensermaterialinasurroundingmolecularcloud.B...
Songbirdbonesmaybehollow,butthey'reactuallydenserthanthebonesofmammalsofthesamesize.Theprocessblastedoutmaterialtoformthebubblestructureofglowinggasagainstdensermaterialinasurroundingmolecularcloud.B...