a building material made by grinding calcined limestone and clay to a fine powder,which can be mixed with water and poured to set as a solid mass or used as an ingredient in making mortar or concrete

• 水泥，通过把烧石灰和粘土研磨成细粉末做成的一种建筑用料，掺入水浇灌凝固成块或用来作制成灰浆或混凝土的成分