outer skin of curtain walling

例句：

1. 1. The engineer carefully removed the outer layer of the old building to reveal the original brickwork underneath.
   工程师小心翼翼地移除了旧建筑的外层，以露出下面原始的砖石结构。
2. 2.The architect designed a new exterior for the building, with an outer layer made from sustainable materials.
   建筑师为这座建筑设计了新的外墙，外层使用了可持续材料。
3. 3.The company's new product line features a sleek outer skin that blends seamlessly into its surroundings.
   该公司的新产品线具有光滑的外层，与周围环境完美融合。