Inside wedge construction contains a polyurethane heel support stabilizer.

建筑内部包含一个楔子聚氨酯脚后跟支撑稳定。

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Inside wedge construction contains a polyurethane (PU) heel support stabilizer.

建筑内部包含一个楔子聚氨酯(pu)脚后跟支撑稳定。

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Anatomically precise support for the heel and ankle, air sacs for extra spring and comfort each year bring apparent new refinements.

在结构上来说，对脚跟和脚踝的恰好支撑，还有气囊带来的额外弹性和舒适度，每年都会有明显的改进。

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McCain has a long list of endorsements, but immigration continues to be his Achilles' heel because of his support in the Senate of unpopular reform legislation.

CNN: GOP race still wide open in South Carolina