The leg action of the breaststroke may have originated by imitating the swimming action of frogs.

蛙泳的腿部动作可能是模仿青蛙的游泳动作而来。

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The leg action of the breaststroke may have originated by imitating the swimming action of frogs .

蛙泳中腿部蹬水的动作很可能是模仿青蛙的泳姿而来。

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