1COMB in ADJ and N-COUNT (与数词连用构成形容词和名词)表示“有…个座位的”，“可容纳…人的事物”-seater combines with numbers to form adjectives and nouns which indicate how many people something such as a car has seats for. (与数词连用构成形容词和名词)表示“有…个座位的”，“可容纳…人的事物”
...a two-seater sports car.
一辆双座跑车
...a three-seater sofa.
能坐 3 个人的沙发
The plane is an eight-seater with twin propellers.