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

• In short, even far-rightists are ditching anti-Semitism, which was only tarnishing their brand.
  简言之，就连极右分子也正在抛弃只会让自己名誉受损的反犹太主义。
• 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
• 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。
• 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。
• Black Tarnishing Phenomenon of Chromate-Free Anti-Fingerprint Galvanized Steel Sheet
  无铬型耐指纹电镀锌板黑变现象探究
• Development of Coating Preventing High Temperature Tarnishing of Stainless Steel in Reducing Atmosphere
  防止不锈钢还原气氛高温变色镀层的研制
• 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。
• Practice on Catalytic Silver Electroplating and Silver Tarnishing Prevention
  催化镀银与防银变色的实践
• Polishing can reduce the surface roughness of silver flan, but the polishing affected layer and residual polishing agent accelerate the formation of corrosion battery, which results the acceleration of silver tarnishing.
  抛光能降低银的表面粗糙度，但是抛光过程中形成的加工变质层和残留抛光剂加速了腐蚀原电池的形成，使银币的腐蚀变色速度加快。
• 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；