A bituminous material, such as asphalt, used to pave roads.
2
在沥青和碎石里添加从轮胎碎片中回收的废胶末,再铺成柏油路,这样工程师可以设计出更加安静的街道。
By adding rubber "crumbs", reclaimed from shredded tyres, to the bitumen and crushed stone used to make asphalt, engineers are designing quieter streets.
3
沥青,柏油:一种含沥青物质,如沥青,用于铺路。
A bituminous material, such as asphalt, used to pave roads.