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。
• During lunch the clouds started to advance, slinking across the blue sky, darting in front of the sun momentarily, casting long shadows across the beach, and blackening the waves.
  在我们吃午饭的时候，云层开始向前推移，偷偷地蚕食着蓝天，随时都有可能冲到太阳跟前，在海滩上留下长长的阴影，让海浪变得一片漆黑。
• 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。
• The procedure, properties of solution and blackening coating were discussed.
  阐述了该工艺的流程，溶液和发黑膜层的性能。
• 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
• 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。
• 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 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。