diurnal
UK/dai'ә:nl/US
GREC2
Definitions
adj.
Relating to or occurring during the daytime; active during the day rather than at night; happening every day.
白天的，昼间的；每日的
n.
A flower that opens only during the day; a book of daily prayers or a diary.
昼开花；日课经书；日记
Root Breakdown
Root-deriveddiurnroot
+
alrelating to, having the nature of
=diurnal
Example Sentences
- 1.
Many diurnal animals rest at night and hunt or forage during daylight hours.
- 2.
The diurnal temperature fluctuations in the desert can be quite extreme and uncomfortable.