声;
挖通道;Moisture leads to the tarnish of the silverware.
湿气使得银器毫无光泽。
, 
点, 瑕疵, 无光泽Moisture leads to the tarnish of the silverware.
湿气使得银器毫无光泽。
a tragedy that tarnished our hopes.
一场使我们
希望成为泡影悲剧
Brass tarnishes quickly in wet weather.
天气潮湿时黄铜很快会失去光泽。
slander that tarnished the senator's image.
玷
参议员形象诽谤之词
his reputation was tarnished by allegations that he had taken bribes.
声被接受贿赂指控给玷了。
His bad behaviour has tarnished the good name of the school.
行为不轨, 
了学校声誉。
Methods: Eight alloys were measured before and after tarnish by chromometer.
探讨低贵合金变色影响因素。
Eight alloys were measured before and after tarnish by chromometer.
探讨低贵合金变色影响因素。
His bad behaviour has tarnished the good name of the school.
行为不轨, 了学校声誉。
Brass tarnishes quickly in wet weather.
天气潮湿时黄铜很快会失去光泽。
His reputation was tarnished.
声誉受到玷。
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