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

• 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 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。
• 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
• 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。
• 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。
• A newly developed blackening process which fitted for blackening of different stainless steel was introduced.
  介绍了一种适合不同种类不锈钢发黑的新工艺，讨论了配方成分和工艺参数等对发黑膜的影响。
• The blast left a gaping hole in the front window and shattered a glass door, twisting and blackening its metal frame.
  这起爆炸事件将征兵站前窗炸出裂孔，并将玻璃门炸得粉碎而金属框架变形发黑。
• There had at first been exercised against m.madeleine, in virtue of a sort of law which all those who rise must submit to, blackening and calumnies;
  起初有一种势力和马德兰先生对抗，那种势力，凡是地位日益增高的人都会遇到的，那便是人心的险狠和谣言的中伤；
• 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。
• 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。