tarnishing

英 [ˈtɑːnɪʃɪŋ]

美 [ˈtɑːrnɪʃɪŋ]

v.  (使)失去光泽，暗淡; 玷污，败坏，损坏(名声等)
tarnish的现在分词

计算机化学

柯林斯词典

• VERB 玷污，败坏，损害(名誉或形象)
  If you say that somethingtarnishessomeone's reputation or image, you mean that it causes people to have a worse opinion of them than they would otherwise have had.
  1. The affair could tarnish the reputation of the prime minister...
     这一事件可能有损首相的名誉。
  2. 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 metaltarnishesor if somethingtarnishesit, it becomes stained and loses its brightness.
  1. It never rusts or tarnishes...
     它从不生锈，也不会失去光泽。
  2. 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
  Tarnishis a substance which forms of the surface of some metals and which stains them or causes them to lose their brightness.
  1. The tarnish lay thick on the inside of the ring.
     戒指内侧有一层厚厚的锈斑。

双语例句

• Hydrogen also serves to prevent metals from tarnishing during heat treatments by removing the oxygen from them.
  氢也可以用来在金属热处理中通过从中除去氧的方法来防锈。
• Practice on Catalytic Silver Electroplating and Silver Tarnishing Prevention
  催化镀银与防银变色的实践
• The effect of ion implantation on the tarnishing resistance of copper
  离子注入对铜失泽行为的影响
• Poor manners have aroused concern and criticism at home and abroad, to the extent that they are tarnishing the country's international image.
  一些不良举止已经在国内外引起了关注和批评。在一定程度上它们会影响到我国的国际形象。
• The detonation of the Singapore race-fixing scandal completely overshadowed Renault's on-track efforts in2009, tarnishing the team's reputation and forcing the departure of its two most senior staff.
  新加坡站操纵比赛的丑闻完全掩盖了雷诺2009年在赛道上的努力，让车队名声受损，同时迫使车队两位最高级成员离开。
• The paper shows misusing dope has the character of cheating humanity, blaspheming science, corroding society and tarnishing culture.
  认为滥用兴奋剂有欺骗人类、亵渎科学、腐蚀社会和玷污文化的特征，严重危害了人类健康和社会公平；
• The surface modification methods for preventing silver products from tarnishing were summarized, such as surface passivation, surface plating and surface coating.
  概述了防止银产品变色的表面改性方法：表面钝化、表面镀膜和表面涂膜，并着重介绍了表面涂膜法。
• Bright tin electrodeposits on copper wire are susceptible to tarnishing.
  铜线材经光亮镀锡后易产生腐蚀变色。
• Mechanism of Tarnishing of Silver Coatings Caused by Illumination and Na, S Treatment
  银层光照和Na2S处理致变色的机理
• Acids, like the weak acid present in your can of Coke, can react with oxides to effectively reverse the process of tarnishing.
  而酸，比如可乐中的弱酸，和氧化物产生化学反应，能有效避免生锈。