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abbr.author 作者；aurum (Latin=gold) （拉丁语）金；arbitraryunit(s) 任意单位；antitoxin unit 抗毒素单位 英英释义： au[ əu ]n.a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with mo
