untreated surface

• 未处理的路面

untreated surface的用法和样例：

例句

1. The renovated road surface is wide and flat.
   重新翻造过的路面，宽阔平整。
2. Changes in the polymers that make up the rubber mean that the compound reacts differently to the track surface.
   组成橡胶的聚合物发生变化，就意味着轮胎材料对不同的路面情况作出反应。