upper brick paving

例句：

1. 1. The upper brick paving is smooth and easy to walk on.
   上层铺路光滑易走。
2. 2. The upper brick paving was damaged during the heavy rain.
   上层铺路在大雨中受损。
3. 3. The upper brick paving was designed to provide a safe and comfortable environment for pedestrians.
   上层铺路设计为提供安全舒适的行人环境。