| 单词 | diurnal |
| 释义 | Word Frequency diurnal(daɪˈɜːnəl) adjective 1. happening during the day or daily 2. (of flowers) open during the day and closed at night 3. (of animals) active during the day Compare nocturnal noun 4. a service book containing all the canonical hours except matins Derived forms diurnally (diˈurnally) adverb Word origin C15: from Late Latin diurnālis, from Latin diurnus, from diēs day |
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