rubble concrete

例句：

1. 1. The construction site was litteredwith rubble concrete blocks.
   施工现场到处都是碎石混凝土块。
2. 2. The engineers were working on aproject that involved using rubble concrete toreinforce the foundation.
   工程师们正在参与一个项目，该项目涉及使用碎石混凝土来加固地基。
3. 3. The rubble concrete was being usedas a temporary barrier to prevent further damage.
   碎石混凝土被用作临时屏障，以防止进一步的损害。