sunup

noun

1. 日出
   the time when the sun rises and day begins

1. N-UNCOUNT 日出(时分)
   Sun-up is the time of day when the sun rises.
   1. We worked from sunup to sunset.
      我们从日出工作到日落。

in BRIT, use 英国英语用 sunrise

1. We worked from sunup to sunset.
   我们从日出工作到日落。
2. In addition to his work teaching Executive Master of Business Administration ( EMBA) courses at many of China` s top universities, Ye is also the founder of Sunup Consulting Co Ltd, a Beijing-based strategic consulting company.
   除了担任国内很多一流大学EMBA课程的教师外，叶峰还是北京一家名为日出咨询有限公司的战略咨询公司的创始人。
3. By sunup, Jonathan Gull was practicing again.
   拂晓时分，海鸥乔纳森又在练习了。
4. The Culex mosquitoes that usually spread West Nile tend to bite at sunup and sundown, which is why risk is heightened at those times of day.
   库蚊通常于黎明和黄昏时分出现，并通过叮咬来传播西尼罗热病毒，这就是为什么这段时间是一天中最为危险的时候。
5. A man could kill from sunup to sunset.
   一个人可以从早杀到晚。
6. From sunup to sundown, Muslims don't eat, drink, smoke or have sex.
   从凌晨到日落，穆斯林也不吃、、烟、交。
7. Get to work before sunup.
   日出前先去工作。
8. The sky would be clear from sunup to sundown in florida.
   但是在佛罗里达，从日出到日落，天空永远是晴朗的；

noun

1. the first light of day
   1. we got up before dawn
   2. they talked until morning

   Synonym:    dawndawningmorningaurorafirst lightdaybreakbreak of daybreak of the daydayspringsunrisecockcrow