day and night
是我的白天和夜晚 You're my mornin' 'til night
白天和夜晚可选光 optional light during the day and night
这里白天和夜晚的温差很大。
The temperature here varies greatly between day and night.
《新英汉大辞典》
youdao
同地球一样，月球也同样有白天和夜晚。
Like the Earth, the moon has both a day and a night.
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