imbricate structure

例句：

1. 1. The ancient city was built on a layer of sedimentary rock.
   这个古城建在一层沉积岩上。
2. 2.The layers of the soil were interlaced with roots from various plants.
   土壤的层次间交织着来自各种植物的根。
3. 3. The spider weaved intricate patterns in the web using imbricate threads.
   蜘蛛在网中用交织的线织出了复杂的图案。