oil asphalt

例句：

1. 1. The construction crew used oil asphalt to pave the road.
   施工队使用石油沥青铺路。
2. 2.The asphalt was so hot that it melted the concrete.
   沥青太热以至于融化了混凝土。
3. 3.The asphalt was a good insulator, keeping the road cool underfoot.
   沥青是一个很好的绝缘体，使道路在脚下保持凉爽。