When a building is destroyed, the pieces of brick, stone, or other materials that remain are referred to as rubble. 瓦砾
noun [物质名词](倒塌的墙或建筑留下的)瓦砾,碎石;(建房铺路用的)碎石
Rubble is used to refer to the small pieces of bricks and stones that are used as a bottom layer on which to build roads, paths, or houses. (铺路、建房用的) 碎石; 碎砖