rubble ashlar

例句：

1. 1.The rubble of the old building was scattered across the street.
   旧建筑的碎石散落在街上。
2. 2. The rubble was so thick that it made it difficult to see through.
   碎石太厚了，以至于很难透过去。
3. 3.The rubble was a reminder of the destruction caused by the earthquake.
   碎石是地震造成的破坏的提醒。