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
• 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
• 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。
• 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。
• The fundamental of blackening of brass by oxidation was described.
  阐述了黄铜氧化发黑的原理，介绍了发黑液的配制。
• Bath formulas of blackening pretreatment and manganese series phosphating at mid-temperature were introduced.
  介绍了预黑处理液配方和中温锰系磷化液配方。
• 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。
• 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。
• High-frequency preheat functions IC, greatly extend the lamp's working life, so that long-term use without lamp blackening.
  IC自带预热功能，可以极大地延长灯管的工作寿命，使灯管长期使用而不发黑。