夜色用英语翻译为 "nightfall" 或 "nighttime". 这两个词的来源都是源于古英语 "niht"，意思是"黑暗、黑夜"。

例句：

The nightfall was beautiful, with a clear sky and stars twinkling above. 夜色很美，天空清澈，星星闪烁。

The nighttime was quiet and peaceful, with only the sound of crickets chirping in the distance. 夜晚安静而平和，远处只有蟋蟀的声音。