calcrete

例句：

1. 1. The engineer used calcrete to reinforce the foundation of the building.
   工程师使用钙质混凝土加固了建筑的基础。
2. 2.The construction crew was using calcrete to build a new bridge over the river.
   施工队正在使用钙质混凝土建造一座横跨河流的新桥。
3. 3.The calcrete wall is strong enough to withstand heavy loads.
   这种钙质混凝土墙足够坚固，能够承受重载。