When you're used to working out at room temperature, it's easy to forget the toll that 80 - or 90-degreedays can exact.
当你习惯了在室温下锻炼，很容易忘记华氏80度或者是90度的日子需要多大的代价。
2
The cooling DegreeDays are used as an index to estimate the cooling energy consumption in summer. The spatial distribution and long-term change feature of cooling DegreeDays were analyzed.
该文采用降温度日数作为评估夏季降温耗能的指标，分析了我国夏季降温度日分布和长期变化特征。
3
'Very early on, we had to enforce the attendance policy and scare people: we had to say,' Look, if you miss more than two days, you don't get the degree, "he says."