Definition
昼夜 (zhòu yè) is a formal, literary noun meaning 'day and night' as a complete cycle or a 24-hour period. It is more elevated than 日夜 (rì yè), which is the everyday word for 'day and night' as a continuous stretch of time. 昼夜 often appears in written descriptions of natural rhythms or scientific contexts.
noun
day and nighta period of 24 hours
Examples
- 昼夜，。zhòu yè jiāotì, sìjì lúnhuí.Day and night alternate, and the seasons cycle.
- 昼夜。Hùshìmen zhòu yè bù tíng de zhàogù bìngrén.The nurses take care of patients day and night without stopping.
- 昼夜。Shāmò zhōng zhòu yè wēnchā hěn dà.The temperature difference between day and night in the desert is large.
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