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

• 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。
• 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。
• 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。
• 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 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。
• 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
• 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。
• The output signal from the detector may be the blackening of a photographic emulsion.
  探测器的输出信号可以是照相乳胶的黑度。
• A Solution of Conductor Blackening of Film Lapped Wire
  解决薄膜绕包线导体发黑方法的研究
• Quite significantly, there was no blackening of the emulsion at the mirror's surface.
  十分引人注意地，在反射镜表面的乳胶没有变黑。