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

• On the Progress of the Research on Anti-Tarnishing Silver Alloy
  抗变色银合金研究概述
• 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；
• 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
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。