structural
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).
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.