rubble
n[U]
bits of broken stone, rock or bricks 碎石; 碎砖
a road built on a foundation of rubble 用碎石做路基修筑的道路
The explosion reduced the building to (a pile of) rubble, ie totally demolished it. 那次爆炸把那建筑物毁成(一堆)瓦砾.
A parliamentary committee representing all political parties appoints a person who is suitably qualified to investigate private grievances against the State.