Take that misplaced center of gravity and put it into running shoes, which naturally tip you forward with a heel higher than the toe, and your feet and ankles start to bear the brunt of any impact.

穿上跑鞋并且重心不对，都会导致你脚跟高于脚趾，这种往前倾斜的状态让你的脚和踝关节开始忍受首当其冲的冲击力。

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It is made from a generally foot-shaped bottom layer having a length extending from a heel area to a toe area, a top surface and a bottom surface.

该鞋垫由通常为足形的底层制成，该底层具有从踵部区域延伸至脚趾区域的长度、顶表面以及底表面。

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It had a one-inch heel and a toe that curved upwards.

它的鞋跟有一英寸高，鞋尖处弯曲向上翘。

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