腿部的动作直，随着速度增加，略微收拢。
The legs move straight, with slight converence at increased speed.
从前面观察，前腿差不多在平行的线上运动。随着速度增加，会略微收拢。
From the front, the forelegs move in almost parallel lines, converging slightly as the speed increases.
从后面观察，后腿差不多在平行的线上运动(与前腿相同的线)，随着速度增加，会略微收拢。
From the rear, the legs move in almost parallel lines and in the same line of motion as the forelegs, converging slightly as the speed increases.
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