| 词汇 | diurnal |
| 释义 | diurnal/daɪˈɜ:nl ||; daɪˈɝnḷ/adj1. (technical术语) (used about animals and birds 指鸟兽) active during the day 日间活动的 [opp] nocturnal 反义词为nocturnal 2. (in astronomy 天文学) taking one day 周日的: ◇the diurnal rotation of the earth 地球的周日自转 |
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