diurnal
01
昼行性の, 日中に活動する
primarily active or occurring during the daytime
例
Most birds are diurnal, chirping and foraging for food as soon as the sun rises.
ほとんどの鳥は昼行性で、太陽が昇るとすぐにさえずり、餌を探します。
02
日周の, 毎日の
having a cycle that happens on a daily basis
例
The diurnal pattern of the flower's blooming happens every morning.
花の開花の日周パターンは毎朝起こります。
