Would you like an upper berth or a lower berth? 你喜欢上铺上视下铺?
In classroom roof upper berth thick Bai Shan quilt. 教室屋顶上铺上了一层厚厚的白苫被。
When one berth is placed over another, a dust-proof bottom should be fitted beneath the bottom mattress of spring bottom of the upper berth. 如使用双层床,上铺床垫下的弹簧床绷下方应垫上一层防灰尘的底板。
Do you prefer an upper or a lower berth? 你想要上铺还是下铺?
The results show that airflow and temperature distributing are the best in the lower berth area, second in the hit berth, and the worst in the upper berth; 研究结果表明:下铺区域的气流组织及温度分布较好,其次是中铺,上铺区域的气流组织及温度分布较差;