the first appearance of light in the sky before sunrise 黎明,拂晓,晨曦 he set off at dawn. 他黎明时分出发。 ■(figurative)the beginning of a phenomenon or period of time, especially one perceived as auspicious (喻)黎明,开端,起始 the dawn of civilization. 文明的开端。
verb [no obj.]
(of a day) begin (一天)破晓,开始 [with complement]Thursday dawned bright and sunny. 锦上添花的是,星期四一大早就阳光明媚灿烂。 ■(figurative)come into existence (喻)开始,来临,出现 a new age was dawning in the Tory party. 保守党的新时代来临了。
become evident to the mind; be perceived or understood 认识到;明白 the awful truth was beginning to dawn on him. 他开始认识到可怕的事实。 [as adj. dawning]he smiled with dawning recognition. 他若有所悟地微笑起来。
语源
late 15th cent. (as a verb): back-formation from Middle English dawning