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

• Silver Tarnishing and its Preventing Technique
  银器的变色和防护技术
• The preventive measures against tarnishing include improvement of substrate quality, decreasing defect of design, improving electroplating process, strengthening the management of post-treatment and instituting different quality requests according to the product applied in various environments, etc.
  提出了镀层的防变色措施：提高基体质量，减少设计缺陷，改进电镀工艺，加强镀后工序管理，根据产品的使用环境对其制定不同的质量要求等。
• The solderability and bonding of the Ag deposits under different conditions were tested. Results show that the Ag deposits maintain good solderability and bonding after being treated by baking, damping test, reflow for several times and tarnishing test in H_2S gas respectively.
  测定了不同条件下银镀层的焊接性能和键合性能，结果表明，该置换镀银层分别经烘烤、潮湿试验、多次回流及在H2S气体中变色试验后焊接性能和键合性能仍然优良。
• Implantation of Cr and Ta markedly improves the tarnishing resistance of copper, Xe implantation gives a small improvement and Ar implantation has no effect.
  结果表明，Cr、Ta离子注入显著地提高了铜的抗失泽能力，Xe离子注入效果较小，而Ar离子注入无改进效果。
• In this dissertation, the silver coin tarnishing mechanism during storage time was firstly studied.
  本文首先研究了银币在存放过程中腐蚀变色机制。
• Sacrificing the profits from the QFII facility was deemed to be worth it to eliminate the risk of tarnishing the bank's reputation with the Chinese authorities.
  瑞信认为，牺牲这一QFII安排的利润是值得的，可以消除该行给中国有关部门留下不好印象的风险。
• Potential partners know Mr thakkar will do anything to avoid tarnishing the Mara brand, so they trust him.
  潜在的合伙人都知道只要能保住集团的名声，萨克愿意做任何事情，因此他也深得他们的信任。
• 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 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。