aindexapterygial./ap-tuh-rij-ee-uhl/US // ˌæp təˈrɪdʒ i əl //UK // (ˌæptəˈrɪdʒɪəl) //适宜性,适当的,适宜的,合理的Definitionsadj.adjective · 形容词1. Zoology.›having no wings, fins, or limbs, as snakes and eels.Level 5More words in a →