Dawn (from an Old English verb dagian "to become day") is the time that marks, depending on the specific usage, the beginning of the twilight before sunrise, the period of the pre-sunrise twilight or the time of sunrise. When identified as the beginning of or the period of twilight, it is recognized by the presence of weak sunlight, while the Sun itself is still below the horizon.
近义、反义、联想词
近义词
n.
hour, time of day, start, time period, period of time, period
v.
begin, start, change
解析
twilight 指日落后或日出前的微明,但通常侧重于前者。 dawn 指天刚亮时的黎明,可作引申用。 dusk 指接近夜晚的黄昏时刻。