梯次队形：车手们形成一种相互交错的队列，领先车手挡风，比单独一名车手或一个小组骑行的更快。
Echelon: a staggered line of riders, each downwind of the rider ahead, allowing them to move considerably faster than a solo rider our small group of riders.
梯次队形：车手们形成一种相互交错的队列，领先车手挡风，比单独一名车手或一个小组骑行的更快。
Echelon: a staggered line of riders, each downwind of the rider ahead, allowing them to move considerably faster than a solo rider our small group of riders.
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