1 to support part of a building or other large structure by placing large pieces of wood or metal against or under it so that it does not fall down 用木或金属柱支撑（房子等大型结构）

2 to help support sth that is weak or going to fail 扶住，稳住（虚弱的或快要失败的事物）: The measures were aimed at shoring up the economy. 这些措施旨在稳定经济。