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。
• Copycat companies run the risk of tarnishing a consumer's association with an already established brand at a time when Chinese consumers are increasingly brand-conscious.
  中国消费者品牌意识日益增长，那些仿冒的公司们也会冒有败坏消费者与已有品牌联系的风险行事。
• 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。
• 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。
• The effect of ion implantation on the tarnishing resistance of copper
  离子注入对铜失泽行为的影响
• 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。
• 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
• 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。
• It exhibits excellent printability and stability and resists tarnishing of most metallic pigments.
  展示出优异的印刷性稳定性以及抗印花（白地沾色）金属油墨。
• 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