diurnal
🇺🇸
/daɪˈɜːrnl/
🇬🇧
/daɪˈɜːnl/
awake and active during the day
The park is full of diurnal animals that you can see during daylight.
公园里充满了白天活动的动物,你在日间可以看到。
lasting for one day
A diurnal cycle means something that lasts for one whole day.
昼夜循环意味着某事持续一整天。