随着奔跑速度增加，趋向于单一轨迹。
As the speed of the trot increases, there is a tendency to single track.
但是，强壮而有力的腿并不能断言奔跑速度的快慢。
However, strong and powerful legs do not necessarily mean speed;
他们还经常用其他奔跑速度极快的动物来为自己的汽车命名。
研究表明当一个人的奔跑速度提高时，他的步幅也会同时变得更长。
Research has shown that stride length alone increases when an individuals running speed increases.
研究表明当一个人的奔跑速度提高时，他的步幅也会同时变得更长。
Research has shown that stride length alone increases when an individuals running speed increases.
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