根据英语里最具权威的Merriam-Webster词典里的解释: twilight: 1: the light from the sky between full night and sunrise or between sunset and full night produced by diffusion of sunlight through the atmosphere and its dust also : a time of twilight 翻译: twilight: 1:从整夜到日出或日落到整夜之间的天空光,由太阳光通过大气及其尘埃扩散而产生