drainage area英 [ˈdreɪnɪdʒ ˈeəriə]美 [ˈdreɪnɪdʒ ˈeriə]流域；流泄区；电泄面积英英释义nounthe entire geographical area drained by a river and its tributariesflood control in the Missouri basinSynonym:river basinbasinwatersheddrainage basincatchment areacatchment basin双语例句
