Home/decaredecare/dek-air, -ahr/US // ˈdɛk ɛər, -ɑr //UK // (ˈdɛkɛə, dɛˈkɛə) //颓废,颓势,颓丧,颓废的Definitionsn.名词 noun1: a unit of surface measure equal to 10 ares, or 1000 square meters: equivalent to 0.2471 acre.Level 2Browse all words →