adj.复制出的，复写书的；v.[遗传学]重复，被复制，复制( duplicate的过去式和过去分词 )；复印；使成双； 英英释义： duplicate[ du:pli'keitid ]n.something additional of the same kind同义词：extraa copy that corresponds to an original exactly"he made a duplicate for the files"同义词：duplicationv.make or do or pe