柯林斯詞典traffic circle (traffic circles) 1. N-COUNT A traffic circle is a circular structure in the road at a place where several roads meet. You drive around it until you come to the road that you want. 環(huán)型交通樞紐[美國(guó)英語] 返回 traffic circle劍橋詞典a place where three or more roads join and traffic must go around a circular area in the middle , rather than straight across 環(huán)島；環(huán)形交叉路口 返回 traffic circle