diurnal
adjective /daɪˈɜːnl/
/daɪˈɜːrnl/
- (biology
) (of animals生物 ) active during the day动物 日间活动的;昼行性的 - Unlike most other bats, this species is diurnal.
这种蝙蝠与大多数蝙蝠不同,是在日间活动的。
- Unlike most other bats, this species is diurnal.
- (astronomy
) taking one day天文学 周日的 - the diurnal rotation of the earth
地球的周日自转
- the diurnal rotation of the earth
词源late Middle English (as a term in astronomy): from late Latin diurnalis, from Latin diurnus ‘daily’, from dies ‘day’.