1. 双层床：Bunk 双层床 | Bunk bed 双层床 | Cabin bed 儿童多功能床
2. 双层铺：bunion 姆囊炎 | bunk bed 双层铺 | bunk 铺位
3. 上下铺：DORM 宿舍 | BUNK BED 上下铺 | LIBRARY CARD借书卡
4. 双层床. 就是宿舍床：12. I'm not sure aobut the font. 字体 | 13. bunk bed. 双层床. 就是宿舍床 | 14. My goal is to get inside their inner sanctum. 书房,密室. 就是打入他们内部的意思
1. 双层床铺
Bunk beds are two beds fixed one above the other in a frame.