蝶泳的呼吸不是伸下巴。
蝶泳的节奏能决定整个技术的走向，能节省运动员的力量。
The rhythm can decide the way to apply the technique and save the energy of the athlete.
对身体条件最苛求的泳姿，蝶泳的特色是两臂同时越过头顶结合海豚式打腿。
The most physically demanding stroke, the butterfly features the simultaneous overhead stroke of the arms combined with the dolphin kick.
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