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 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。
• 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。
• 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。
• 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。
• Formulas and technology of steel blackening at room temperature have been studied.
  对亚硒酸－铜盐－磷酸体系钢铁常温发黑的配方及工艺进行了研究。
• 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。
• 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。
• 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 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。
• 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。