adj.发黑的；变黑的；带黑的；渐渐变黑的

The nigrescent clouds loomed over the horizon, signaling an impending storm.
乌云密布在地平线上，预示着即将来临的风暴。
The artist used nigrescent shades to create a dramatic contrast in her charcoal drawing.
艺术家使用黑色调在她的炭笔画中创造出强烈的对比效果。
The old tree's bark had become increasingly nigrescent with age, adding to its mysterious appeal.
那棵老树的树皮随着年龄的增长变得越来越黑，增加了它的神秘感。
In the dim light, the cat's nigrescent fur seemed to absorb all surrounding brightness.
在昏暗的光线下，那只猫的黑毛似乎吸收了周围所有的光线。
The nigrescent smoke from the factory chimney painted a somber picture of industrial pollution.
工厂烟囱排放的黑烟描绘出一幅工业污染的阴郁景象。
The child's nigrescent hair, contrasting with their bright eyes, made for an adorable sight.
孩子乌黑的头发与明亮的眼睛形成鲜明对比，看起来非常可爱。
The nigrescent ink on the ancient parchment had stood the test of time, preserving history.
古羊皮纸上的黑色墨迹经受住了时间的考验，保存了历史。
The astronomer observed the nigrescent regions of space, searching for distant galaxies.
天文学家观察着宇宙中的黑暗区域，寻找遥远的星系。
The nigrescent mood of the film noir reflected the complexities and shadows of human nature.
黑色电影中那阴暗的氛围反映了人性的复杂和阴暗面。
The nigrescent night enveloped the city, making stars twinkle more vividly in the sky.
黑夜笼罩着城市，使得天空中的星星更加耀眼地闪烁。