Of an animal: active chiefly or exclusively at night.
| 单词 | θ29485 |
| 释义 | the world > animals > by habits or actions > [adjective] > active at night (3) nocturnal1599 Of an animal: active chiefly or exclusively at night. vespertine1607 Of animals, birds, etc.: Appearing or especially active in the evening. crepuscular1826 Zoology. Appearing or active in the twilight. |
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