B: In medley relays, each swimmer swims one stroke for the set distance; the order is backstroke, breaststroke, butterfly and freestyle.
B: In medley relays, each swimmer swims one stroke for the set distance; the order is backstroke, breaststroke, butterfly and freestyle.
混合泳接力赛中，每位运动员以一种姿势游一定的距离，顺序依次是仰泳、蛙泳、蝶泳和自由泳。