a brand name for a copy of a document or other piece of paper with writing or printing on it, made by a machine that uses a photographic process, or the machine or process itself
a Xerox of the letter这封信的复印件
a Xerox machine静电复印机
xerox
verb[ T ]uk/ˈzɪə.rɒks/us/ˈzɪr.ɑːks/
（用Xerox或其他品牌的静电复印机）复印，复制
to make a copy of a document using a Xerox or other copying machine