英 [ˈdɑːkənɪŋ] 美 [ˈdɑːrkənɪŋ]
v. （使）变暗，变黑；使阴郁；使模糊；使失去亮泽，使玷污（darken 的现在分词）
adj. 变黑的；变昏暗的
n. 变黑
darken /ˈdɑːkən/ TEM4 [ darkening darkened darkens ]
及物动词/不及物动词 If something darkens or if a person or thing darkens it, it becomes darker. 变暗; 使变暗
The sky darkened abruptly.
天突然变暗了。
及物动词/不及物动词 If someone's mood darkens or if something darkens their mood, they suddenly become unhappy. 黯淡; 使黯淡
My sunny mood suddenly darkened.
我快乐的情绪突然黯淡下来。
changing to a darker color
同义词： blackening
becoming dark or darker as from waning light or clouding over
the darkening sky
暗化-引用次数：1
threshold glass darkening femtosecond laser
阈值 玻璃 暗化 飞秒激光。
参考来源飞秒激光作用下光学与激光玻璃的暗化阈值测量 Thresholds of Femtosecond Laser Induced Darkening in Optical and Laser Glasses
变黑
变深
黑变
... dark-tracetube暗迹管 darkening抹黑 darkeningring遮光圈 ...
... 黄变yellowing 变深darkening 破坏perishing ...
信息 中文名： 夜幕降临 英文名： Darkening Sky 年份：2010 国家/地区： 美国 类别： 惊悚 惊悚 导演：导演： Victor Bornia 演员：主演： 莱德尔·斯特朗 Danielle 基于4个网页
... dark-fleshedfishes暗色肉鱼类；褐色肉鱼类 darkening发黑；变黑；发暗 dash①少量杂质②搀；稀释③缓冲 ...
变黑；暗色化；灯火管制（darken的ing形式）
The force of collision spewed large amounts of debris into the atmosphere, darkening the skies for several years before the finer particles settled.
碰撞的力量将大量碎片喷射到大气中，在更细的粒子落下之前，天空会变暗几年。
Now, the mood is darkening.
现在，他们心情忧郁。
And the growth outlook is darkening.
而且经济增长前景也不光明。
He said the darkening of the Martian surface during some times of the year was caused by the growth of plants.
VOA : special.2010.07.11
Coffin that passes through lanes and streets, Through day and night with the great cloud darkening the land.
VOA : special.2009.12.31
It was like the cry of a lost child in the far deep of the darkening forest!
VOA : special.2009.10.31
The bull turned and lumbered through the grass, his horn silhouetted against the darkening sky.
Scott saw the sky darkening and knew there wasn't much more time for more holes.
Growth-sensitive stocks continued to underperform as investors fretted about the darkening global growth outlook.