往返穿梭接力赛跑

例句：

1. 1. The athletes lined up for the relayrace.
   运动员们排成一排准备接力赛。
2. 2. The relay team won the championship.
   接力队赢得了冠军。
3. 3. The runners exchanged places in the relay race.
   在接力赛中，选手们交换了位置。