研究结果表明：运动员自由滑行时间和单支撑时间偏长，降低了蹬冰频率；
The result shows that if the athlete's slide time is too long, it will reduce the frequency of skating.
不要想象它在滑行过程中脸上挂着喜悦而自由的微笑。
And do NOT imagine the blissful smile on the purple elephant "s face as it goes whizzing down the mountain, freedom of the ride."
不要想象它在滑行过程中脸上挂着喜悦而自由的微笑。
And do NOT imagine the blissful smile on the purple elephant's face as it goes whizzing down the mountain, freedom of the ride.
不要想象它在滑行过程中脸上挂着喜悦而自由的微笑。
And do NOT imagine the blissful smile on the purple elephant's face as it goes whizzing down the mountain, freedom of the ride.
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