Home/duraindurain/door-eyn, dyoor-/US // ˈdʊər eɪn, ˈdyʊər- //杜兰恩,杜兰特,杜兰,杜兰姆Definitionsn.名词 noun1 Mineralogy.: the coal forming the dull layers in banded bituminous coal.Level 2Browse all words →