basal cement

例句：

1. 1. The foundation of the building is made of basal cement.
   这座建筑的基础是用基础水泥建造的。
2. 2. The engineer used a mixture of sand and water to create a durable basal cement.
   工程师用沙子和水混合制成了一种耐用的基础水泥。
3. 3. The construction workers poured the basal cement into the foundation of the house.
   建筑工人将基础水泥倒入房屋的基础中。