tarnishes是什么意思？

tarnishes

• n. 污点，瑕疵，无光泽( tarnish的名词复数 )；
• v. （通常指金属）（使）失去光泽，（使）变灰暗( tarnish的第三人称单数 )，玷污，败坏；

例句

• This metal tarnishes easily. 这种金属易变色.
• Brass tarnishes quickly in wet weather. 天气潮湿时黄铜很快会失去光泽.
• It never rusts or tarnishes. 它从不生锈，也不会失去光泽。
• It never rusts or tarnishes... 它从不生锈，也不会失去光泽。

柯林斯高阶英汉双解学习词典释义

• VERB
  玷污，败坏，损害(名誉或形象)
  If you say that something tarnishes someone's reputation or image, you mean that it causes people to have a worse opinion of them than they would otherwise have had.
  例句
  The affair could tarnish the reputation of the prime minister... 这一事件可能有损首相的名誉。 His image was tarnished by the savings and loan scandal. 他的形象因为那桩储蓄信贷丑闻而受损。
• V-ERG
  (使)有污迹;(使)失去光泽;(使)变暗淡
  If a metal tarnishes or if something tarnishes it, it becomes stained and loses its brightness.
  例句
  It never rusts or tarnishes... 它从不生锈，也不会失去光泽。 Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal. 清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。
• N-UNCOUNT
  锈斑;污点
  Tarnish is a substance which forms of the surface of some metals and which stains them or causes them to lose their brightness.
  例句
  The tarnish lay thick on the inside of the ring. 戒指内侧有一层厚厚的锈斑。