n.沥青；柏油
v.用沥青铺路
Asphalt is used for making road surfaces. 沥青常用于铺路。
The asphalt pavements are very clean. 那些沥青的铺道，是很干净的。
It is so hot that the asphalt roads are bubbling. 天太热了，柏油路面上都被晒起了泡泡。
