built-up foundation

例句：

1. 1.The engineer designed the building with a built-up foundation to ensure stability.
   工程师设计了一座建筑物，采用了复合地基以确保稳定性。
2. 2.The construction of the new hospital required a solid built-up foundation.
   新医院的建设需要坚实的地基。
3. 3. The foundation of the house was constructed using reinforced concrete.
   房屋的地基是用钢筋混凝土建造的。