，使分心;Eight alloys were measured before and after tarnish by chromometer.
探讨低贵合金变色
影响因素。
常指金属)(使)失去光
；(使)变灰暗Eight alloys were measured before and after tarnish by chromometer.
探讨低贵合金变色影响因素。
Moisture leads to the tarnish of the silverware.
湿气使得银器毫无光
。
His bad behaviour has tarnished the good name of the school.
行为不轨, 败坏了学校声誉。
Brass tarnishes quickly in wet weather.
天气潮湿时黄铜很快会失去光。
His reputation was tarnished.
声誉受到玷污。
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