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B. Basic conditioning is very important to good hurdling.
基础训练对跨栏非常重要。
youdao
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The average speed of 9 periods of hurdling is the main factor in fluencing.
个跨栏周期的平均速度是影响运动员能否夺冠的主要因素。
youdao
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The average speed of 9 periods of hurdling is the main factor in fluencing.
个跨栏周期的平均速度是影响运动员能否夺冠的主要因素。
youdao