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n.（印花）白地沾色；v.（通常指金属）（使）失去光泽，（使）变灰暗( tarnish的现在分词 )；玷污，败坏； 英英释义： tarnish[ 'ta:niʃiŋ ]n.discoloration of metal surface caused by oxidationv.make dirty or spotty, as by exposure to air; also used metaphorically"The silver was tarnished by the long exposure t
