translation.ar: وإذا نظرنا الى باكيسيفالوسور باكيسيفالوسور لديه قُبة صلبة والنتؤات خلف رأسه ايضاً تُمتص
translation.en: And if we look at Pachycephalosaurus, Pachycephalosaurus has a solid dome and its little bumps on the back of its head were also resorbing.