asphalt heating kettle

例句：

1. 1. The road was paved with asphalt to make it smoother.
   这条道路铺上了沥青，使其更加光滑。
2. 2. The city's streets are lined with asphalt parking lots.
   城市的街道两旁都是柏油停车场。
3. 3.Asphalt is a popular material for roads and highways.
   沥青是公路和高速公路常用的材料。