a black bituminous material used for paving roads or other areas; usually spread over crushed rock
同义词:blacktopping
动词 blacktop:
coat with blacktop
blacktop详细解释
black.top n.(名词)A bituminous material, such as asphalt, used to pave roads.沥青,柏油:一种含沥青物质,如沥青,用于铺路v.tr.(及物动词)black.topped,black.top.ping,black.tops To pave with a bituminous material.柏油路:用含沥青的物质铺路