n.discoloration of metal surface caused by oxidation
v.make dirty or spotty, as by exposure to air; also used metaphorically
"The silver was tarnished by the long exposure to the air"
同义词：stainmaculatesullydefile
Obscenity trial Tarnishes America
'Gold-plating tarnishes UK regulation'
Italy: Corruption probe tarnishes Elettra
Violin Memory Meltdown Tarnishes Flash Market
Spike in sublease space tarnishes Princeton's crown
Humacao scandal irreparably tarnishes police image
Property Rights Row Tarnishes Georgian Government’s Image
Examination Committees Decision Tarnishes Reputations
Environment Friendly Deposition of Silver and Anti-tarnishes
Unfair Dismissal: 'Derivitave Misconduct"Tarnishes Employer-Employee Trust Relationship
