adj.广阔的，广大的；范围广泛的；[物]广延的；[逻]外延的 双语释义：adj.(形容词)广阔的,广泛的; 大量的,大规模的 large in amount, area, or range; having an effect on or including many parts英英释义： extensive[ ik'stensiv ]adj.large in spatial extent or range or scope or quantity"an extensive Roman settlemen