n.骑乘（或驾车）的马；双人座敞篷汽车；跑车
Nick was delighted when his father bought him a roadster. 尼克的父亲买了一部敞篷车给他，他非常高兴。
She sped by me in a dark green roadster. 她开着一辆深绿色跑车，从我身边呼啸而过。
