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

• 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
• Behaviors of copper in blackening bath without selenium were studied.
  对铜在无硒电化学发黑液中的行为进行了研究。
• 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。
• A test of lower middle temperature blackening on steel part was introduced.
  介绍了钢铁件低中温发黑工艺试验。
• 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。
• New process of blackening surfaces of iron and steel at room temperature and its possibleblackening mechanism are stated.
  报道了在钢铁表面发黑新工艺，探讨了发黑机理。
• The abrupt blackening was the first part of a nationwide program to make British television entirely digital by2013.
  信号的突然消失是英国到2013年实现全国电视数字化行动的第一部分。
• Dawn comes and you see its path-the glistening leaf, the gloaming stem, the limp, blackening garden vine.
  拂晓时分，你随处可见它的踪迹，在闪亮的叶子上，朦胧的茎干上，盘曲黝黑的藤蔓上。
• 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
• A newly developed high efficient degreasing and rust removing solution for pre blackening treatment of high strength bolt is presented.
  根据高强度螺栓发蓝工艺的独特性，研制适用工艺要求的常温除油除锈液，在生产中应用良好。