rafter roof

例句：

1. 1.The house has a rafter roof that provides excellent insulation.
   这所房子有一个后桁屋顶，提供了极好的隔热效果。
2. 2.The new addition to the hotel has a modern rafter roof design.
   这家酒店的新扩建采用了现代的后桁屋顶设计。
3. 3.The old barn was converted into a guesthouse with a rafter roof.
   旧谷仓被改造成了一个拥有后桁屋顶的客栈。