blackening

英 [ˈblækənɪŋ]

美 [ˈblækənɪŋ]

v.  (使)变黑; 抹黑; 丑化; 败坏…的名誉
blacken的现在分词

化学

COCA.45535

柯林斯词典

• V-ERG （使）变黑；弄黑；涂黑
  Toblackensomething means to make it black or very dark in colour. Something thatblackensbecomes black or very dark in colour.
  1. The married women of Shitamachi maintained the custom of blackening their teeth...
     下町的已婚女性还保留着把牙齿涂黑的习俗。
  2. You need to grill the tomatoes until the skins blacken.
     你得把番茄烤到皮变黑为止。
• VERB 诬蔑；玷污；给…抹黑
  If someoneblackensyour character, they make other people believe that you are a bad person.
  1. He accused him of knowingly spreading falsehoods in an effort to blacken my character...
     他指控他蓄意散布虚假信息以玷污我的人格。
  2. They're trying to blacken our name.
     他们企图败坏我们的名声。

英英释义

noun

• changing to a darker color
  Synonym:darkening

双语例句

• The Development and Application of DD-921 Room Temperature Iron and Steel Blackening Agent
  DD-921钢铁常温发黑剂的研制和应用
• Are introduced the electroless blackening nickel plating technology and its properties.
  介绍了化学镀黑镍工艺及其镀膜性能。
• In the spring fire swept across the hills, blackening them.
  春天时的一场野火横扫群山，使原本绿树成林的山头变得焦黑。
• Research on Surface Blackening Process and Mechanism of Titanium Alloys
  钛合金表面发黑工艺研制及机理研究
• Blackening method and principle are discussed. The properties of the organic blackening film are measured.
  论述了钢铁防锈（高分子）发黑剂的热聚合-沉积发黑方法与原理，并对膜层性能进行了检验。
• Progress of bioremediation for controlling blackening and stink of rivers
  生物修复技术在黑臭河道治理中的应用
• Brother: I wouldn't stand for this blackening of our name.
  我无法容忍这种为家族抹黑的行为。
• Formulas and technology of steel blackening at room temperature have been studied.
  对亚硒酸－铜盐－磷酸体系钢铁常温发黑的配方及工艺进行了研究。
• The results show that appropriate blackening agent and addition of phosphate both can improve the appearance of the passivation film.
  结果表明：发黑剂对膜层外观影响较大，选择不当可使膜层发花、挂灰；钝化液中添加磷酸（盐）能够显著改善黑色膜层外观。
• If this product blackening a bit, do not affect usage effect.
  本产品若略微变黑，不影响使用效果。