水泥的

例句：

1. 1. The construction of the new bridge required a large amount of concrete.
   新桥的建设需要大量的混凝土。
2. 2. The engineer used a mix of sand, cement, and water to make the concrete.
   工程师用沙子、水泥和水混合制成了混凝土。
3. 3.The concrete wall is strong enough to support the weight of the building.
   混凝土墙足够坚固，能够支撑建筑的重量。