diurnal
英 [daɪ'ɜːn(ə)l]
美[daɪ'ɝnl]
- adj. 白天的；每日的，一日间的
- n. 日记账；日报，日刊
英英释意
- 1. 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"
- 2. having a daily cycle or occurring every day;
- "diurnal rhythms"
- "diurnal rotation of the heavens"
- "the diurnal slumber of bats"