几十万件的皮革制成了鞋、挽具和马鞍。铁厂生产出机车、大炮、装甲板。

Hides by the hundreds of thousands were turned into shoes and harness and saddles; ironworks manufactured locomotives, ordnance, armor plate.

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因为它们是由尼龙和皮革，鞋已经有一定的灵活性。

Because they are made of nylon and leather, the boots already have some flexibility.

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鞋：人脚的保护性外套，通常以皮革制成，具有坚厚鞋底和鞋根，高度一般不超过足踝(与靴类有别)。

Shoe: Outer covering for the foot, usually of leather, with a stiff or thick sole and heel, and generally reaching no higher than the ankle (unlike a boot).

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