Life thus slips into a lower gear during the day , and activity peaks between " iftar " , the breaking of the fast at sunset , and " suhur " , the last meal of the day before sunrise （这样，在白天人们的生活步入了较慢的节奏，而从日落后的开斋饭到日出前的封斋饭这段时间的活动达到了顶峰。 ）
The twilight before sunrise and after sunset is due to the scattering of sunlight by the atmosphere . the time of begining and end of twilight depends on the local geographic and climate conditions 日出前和日没后的一段时间内天空呈现出微弱的亮光，这现象叫做晨光和昏影，这是由于大气的散射所引起。
Most hikers from the inca trial [ 6 ] wake up early on the last day of their hiking programme and come to this gate before sunrise to get the first glimpse lighting up the stone ruins 多数沿着印加步道一路走来的徒步旅行者，会在他们徒步行程的最后一天起个大早，赶在日出前走到太阳门去看石头废墟上出现的第一缕日光。
If you make the wrong choice you cannot visit another market because fuel is costly and each market is open for only a couple of hours before dawn ? and it takes that long for your boat to putter from one to the next 因为燃料昂贵，各个早市的开放时间又仅仅只有日出前的几个小时? ?把船从一处开到下一处得花挺长的时间。
An hour before sunrise in the city there is an air of cold , solitary desolation about the noiseless streets , which we are accustomed to seeing thronged at other times by a busy , eager crowd , and over the quiet , closely shut buildings which throughout the day are swarming with life 日出前的一小时，城里一片冷清和孤寂，我们惯于看到的在一日中其他时刻挤满匆忙人群的大街变得空荡荡、静悄悄；整天人来人往、活动频繁的房屋，此刻门户紧闭、寂静无声。
Since venus is the third brightest object after the sun and the moon in the sky , we have special names for it . during the period that we can see it before sunrise , we call it the morning star . it lasts for about 100 days . when we can see it after sunset , we call it the evening star 金星光芒万丈，是天空中除了太阳及月亮之外第三颗最光亮的天体，在日出前出现的金星，我们称为晨星，这个阶段约维持一百天，之后金星会在日落后才出现，这时便称为昏星。
