asphalt的中文意思、音标与词形变化

n. 柏油 a. 用柏油铺成的 vt. 以柏油铺

n. mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing n. a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons v. cover with tar or asphalt