昼夜 zhòuyè day and night
day and night; period of 24 hours; continuously, without stop
怎么记住“昼夜”: 昼 daytime + 夜 night = day and night.
汉字
用法
- Day and night / around the clock - 昼夜不停 (zhòuyè bù tíng) nonstop day and night, 昼夜温差 (zhòuyè wēnchā) the day-night temperature difference.
- Formal, written; 昼 (daytime) + 夜 (night). Often stresses continuous, ceaseless activity over a full 24 hours.