fire brick

例句：

1. 1. The engineer used fire brick to reinforce the walls of the building.
   工程师使用耐火砖加固了建筑物的墙壁。
2. 2.Fire brick is a popular choice for fireproofing in construction projects.
   耐火砖是建筑项目中防火的首选材料。
3. 3. The bricklayers were using fire bricks to build the foundation of the new hospital.
   砌砖工正在使用耐火砖建造新医院的地基。