Home/basionbasion/bey-see-on, -zee-/US // ˈbeɪ siˌɒn, -zi- //UK // (ˈbeɪsɪən) //基地,基恩,基隆,基因库Definitionsn.名词 noun1 Craniometry.: the midpoint of the anterior margin of the foramen magnum.Level 3Browse all words →