| 单词 | diurnal |
| 释义 | diurnal (once / 6659 pages) adj If it’s 9:00 at night and your mom wants you to do the dishes, you could try to put it off until the next day by politely pointing out that you are a diurnal animal. That means you get most of your activities done during the day. The adjective diurnal can be used to describe anything that takes place in the daytime, but it is most often used in the field of biology to describe animals that are active during the day and then sleep at night. Animals with the opposite schedule are said to be nocturnal, which means they’re active at night and sleep in the daytime. Diurnal can also be used to describe something that has a daily cycle, such as a diurnal tide that occurs once each day. WORD FAMILYdiurnal: diurnally USAGE EXAMPLESAs a child, I struggled to live in the diurnal world. New York Times(Dec 23, 2016) All 17 species of diurnal raptors in the state were observed - in a single day, on Sept. 23. Washington Times(Oct 08, 2016) In Montana, 17 species of diurnal raptors, which are active during the day, are known to migrate through the state or spend time here. Seattle Times(Oct 08, 2016) 1adj having a daily cycle or occurring every day diurnal rotation of the heavens Syn periodic, periodical happening or recurring at regular intervals 2adj of or belonging to or active during the day diurnal animals are active during the day diurnal flowers are open during the day and closed at night diurnal and nocturnal offices Ant nocturnal belonging to or active during the night |
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