/ˈkɒŋkri:t ||; ˈkɑnkrit/noun [U] a hard substance made from cement mixed with sand, water, small stones (gravel), etc, that is used in building 混凝土（一种由水泥、沙、水、细石等混制成的坚硬物质，用于建筑）: a modern office building of glass and concrete 用玻璃及混凝土建成的现代化办公大楼a concrete floor/bridge 混凝土地板╱桥 ☞picture at building 见building插图