Do four to six tight, quick dolphin kicks while tilted on your side.

离壁后转向体侧（依据个人习惯），做四到六次的紧张的快速的蝶泳腿。

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Take one or two dolphin kicks to get started, then lock your hands together and raise your arms UP and out of the water.

作为开始，先打一到两个海豚腿。然后两手互握，抬出水面并维持这个状态。

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While most swimmers have a strong downbeat on their underwater dolphin kicks, Tierney sees many relax on their up-kick, losing power by doing so.

大多数的运动员在水下蝶泳腿中下打都非常有力，可他们的上打却过度放松。

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Swimming's micro-scandal came last week after South African swimmer Cameron van der Burgh was asked by reporters about an underwater video that showed him using three underwater "dolphin" kicks at the start of a breaststroke race.

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