relay race

relay-race的词性：
n.Sports （名词）【体育运动】

1. A race between two or more teams, in which each team member runs only a set part of the race and is then relieved by another member of the team.
接力赛：两个或更多的队伍之间的一种比赛，每一个参赛队员只跑其中的一段，然后由队伍的另一成员接着跑下去