exterior sheathing

例句：

1. 1.The exterior sheathing of the building is made of wood.
   这座建筑的外墙是用木头做的。
2. 2. The exterior sheathing is designed to protect the building from weather damage.
   外墙覆盖层的设计目的是保护建筑物免受天气损害。
3. 3.The exterior sheathing was installed by a professional contractor.
   外墙覆盖层是由专业承包商安装的。