deep floor

例句：

1. 1. The engineer inspected the deepfloor of the building for signs of waterdamage.
   工程师检查了大楼的深地板，以寻找水损的迹象。
2. 2. The constructioncrew worked diligently to repairthe deep floor and restore the structural integrityof the building.
   建筑工人勤奋地工作，修复深地板并恢复大楼的结构完整性。
3. 3. The deep floor was covered in athick layer of dust and grime,making it difficult to clean.
   深地板覆盖着厚厚的灰尘和污垢，很难清洁。