n.大衣；外套；保护层，护膜； 变形： 复数：overcoats 双语释义：n.(名词)[C]大衣 a long warm coat worn over other clothes in cold weather英英释义： overcoat[ 'əuvəkəut ]n.a heavy coat worn over clothes in winter同义词：greatcoattopcoatan additional protective coating (as of paint or varnish)同义词