prefab
noun [ C ] informal uk/ˈpriː.fæb/ us/ˈpriː.fæb/
预制房屋，活动房屋
a small house that can be built quickly from pieces that have been made in a factory
After the Second World War lots of prefabs were put up to ease the housing crisis. 二战后，为缓解住房紧张搭起了许多活动房屋。