“昼夜温差”的英文翻译是什么呢？

昼夜温差: difference in days and nights temperature
早穿棉袄晚穿纱，围着火炉吃西瓜: Have wadded jacket in the morning and yarn in the evening, eat watermelons around the stove.

As early as wearing yarns evening wear cotton-padded jacket, eating watermelon Weizhuohuolu

Day and nights temperature difference

As early as wearing yarns evening wear cotton-padded jacket, eating watermelon Weizhuohuolu