“曙光的”的英语？

斯科特和阿蒙森都迫不及待地等待着春天曙光的来临.Scott and Amundsen waited anxiously for spring.每逢入秋,一年当中观测假曙光的最佳时节来临了.假曙光即是我们所知的黄道光.Autumn is the best time of year the false dawn also known as the zodiacal light....