blackening

1. V-ERG （使）变黑；弄黑；涂黑
   To blacken something means to make it black or very dark in colour. Something that blackens becomes 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。
2. VERB 诬蔑；玷污；给…抹黑
   If someone blackens your 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。

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. 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。
3. 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。
4. 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
5. 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。
6. 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。
7. The abrupt blackening was the first part of a nationwide program to make British television entirely digital by2013.
   信号的突然消失是英国到2013年实现全国电视数字化行动的第一部分。
8. 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；
9. 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。
10. 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。
11. 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。
12. A Solution of Conductor Blackening of Film Lapped Wire
    解决薄膜绕包线导体发黑方法的研究
13. In the spring fire swept across the hills, blackening them.
    春天时的一场野火横扫群山，使原本绿树成林的山头变得焦黑。
14. 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。
15. 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。
16. 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
17. 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。
18. 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。
19. The results show that appropriate blackening agent and addition of phosphate both can improve the appearance of the passivation film.
    结果表明：发黑剂对膜层外观影响较大，选择不当可使膜层发花、挂灰；钝化液中添加磷酸（盐）能够显著改善黑色膜层外观。
20. 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。
21. 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。
22. 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。
23. 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
24. 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。
25. 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。
26. 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。
27. 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。
28. 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。
29. 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。
30. 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。

noun

1. changing to a darker color

   Synonym:    darkening