concrete

/ˈkɑnkrit/

a strong hard building material composed of sand and gravel and cement and water

Chinese meaning: 混凝土

The bridge is made of reinforced concrete, which ensures its durability.

这座桥由钢筋混凝土建成，确保了其耐久性。

Workers poured concrete into the molds to form the foundation of the building.

工人们将混凝土倒入模具中，形成建筑物的地基。