| 单词 | diurnal |
| 释义 | diurnal adj. 1. of or during the day; not nocturnal. 2. daily; of each day. 3. Astron. occupying one day. 4. Zool. (of animals) active in the daytime. 5. Bot. (of plants) open only during the day. Derivatives diurnally adv. Etymology: ME f. LL diurnalis f. L diurnus f. dies day |
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