Portakabin
noun [ C ] UK trademark uk/ˈpɔː.təˌkæb.ɪn/ us/ˈpɔːr.t̬əˌkæb.ɪn/
（尤指施工中使用的）波特卡宾房，活动房屋
a brand name for a small building that is designed to be moved from place to place and is used as a temporary office, school, or home, especially when building work is being done