The other girls stayed on the hardtop to play hopscotch, jump rope, or jacks.
其他女孩则留在硬顶上玩跳房子,跳绳或起重器。
英语百科
Hardtop
A hardtop is a rigid form of automobile roof. They may be detachable for separate storing, retractable within the vehicle itself, or permanently attached to an auto lacking a center side-support known as a B-pillar. The term is also used to describe such vehicles, principally the last.