upperworks

例句：

1. 1. The architect designed the new officebuilding with an emphasis on its upperworks.
   建筑师设计的新办公楼时，特别注重其上层建筑。
2. 2. The upperworks ofthe bridge are made of reinforced concrete.
   这座桥的上层建筑是由钢筋混凝土制成的。
3. 3.The upperworks of the house wererenovated to improve energy efficiency.
   这所房子的上层建筑进行了翻新，以提高能源效率。