tarnishn.晦暗;污渍v.沾污
tarnish resistance抗蚀力,耐蚀性
tarnishproof board防晦暗纸板
tarnishproof paper防晦暗纸
tarnishing reaction锈蚀反应
tarnish-resistantadj.光泽性的;耐变晦性的
tarnished reputation被败坏的名誉
tarnish one's honorsv.分成音节;读出各个音节
tarnish of tin coating锡面变色
tarnish sb's reputation音节理论
tarnish resisting alloy抗变色合金