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

• 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。
• I.Choose the correct answer and write it on the Answer Sheet by blackening the corresponding letter Only one answer is correct. ( 20 points)
  选择正确的答案并答题纸上相应的字母涂满。每题只能选择一个答案。
• 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
• 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。
• 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。
• 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。
• 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。
• The blackening agent for tin contains ammonium hydrogen fluoride, and is stable without peculiar smell; it is totally suitable for automatic production with no need of ventilation.
  由此锡发黑剂配制的锡发黑液含有氟化氢铵，稳定，没有异味，不用抽风装置，完全可以自动化生产。