Respuesta :
Answer: "Wherein we saw thee quietly inurn'd"; "ponderous and marble jaws"
Explanation: Hamlet is here wondering how it is possible for his dead father to return from his grave; first, he recalls he was wrapped in cerements (a waxed cloth for the dead) but somehow he burst out, and then, he recalls they had "inurn'd" (as when you put something inside an urn) in a place which, now, seemed to had open its "marble jaws" and spit him out. The latter is a clear reference to the heavy marble lids that were placed on top of the graves.