这些因其密度而被著称为 la foret（森林）的梁，组成了横跨大教堂中心部分的十字形屋顶。

These beams, known as la foret (the forest) because of their density, formed the cross-shaped roof that ran the length of the central part of the cathedral.

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稳定梁横跨足弓部，增强横向稳定性。

Stability bridge spans the arch of your foot, enhancing lateral stability.

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