structural/ˈstrʌktʃərəl; `strʌktʃərəl/ adj[usu attrib通常作定语]of a structure or the framework of a structure 结构（上）的; 构架（上）的 structural alterations to a building, eg removing internal walls to make rooms bigger 建筑物结构上的改变（如拆掉隔墙以加大房间面积）.
牛津英汉双解词典