exterior of surface

例句：

1. 1. The exterior of the building is covered in a layer of paint.
   这座建筑的外部涂有一层油漆。
2. 2.The car's exterior is sleek and modern.
   这辆车的外观光滑现代。
3. 3.The new design features an exterior that blends seamlessly with its surroundings.
   新设计的特点是与周围环境无缝融合的外观。