长距离跑也是中距离跑的重要元素。
The long run is also an important element for middle distance runners.
中距离跑运动员需要把力量，耐力，速度很好地结合起来。
For a middle distance runner, a combination of strength, endurance and speed is required.
中距离跑运动员需要把力量，耐力，速度很好地结合起来。
For a middle distance runner, a combination of strength, endurance and speed is required.
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