单词	base metal
释义	base metal noun 1 : a metal or alloy (such as zinc, lead, or brass) of comparatively low value and relatively inferior in certain properties (such as resistance to corrosion) —opposed to noble metal 2 : the metal to which a coating or plating is applied : the metal existing underneath a coating or plating 3 : the chief constituent of any alloy 4 : the metal composing parts to be welded Word History Etymology base entry 4
随便看	nailless naillike nailrod nailrodes nailrods nails nails (down) nails down Nailsea glass nailsets nailsick nailwort naily nain nainsel nainsell nainsook nainsooks naio Naipali Naipaul naique nair naira nairas

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