| 释义 |
Adjective: diurnal dI'urn(u)l- 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" - Having a daily cycle or occurring every day
"diurnal rotation of the heavens"
See also: periodic, periodical Antonym: nocturnal Encyclopedia: Diurnal |