The air smelled of mildew and rotted beams, but also of horse sweat and wood smoke.

空气里弥漫着一股发霉、腐烂的豆子的味道。混杂着其他一些类似马汗，以及木头燃烧的味道。

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The rain has rotted the roof beams.

雨水使屋梁腐烂了。

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Once those pins were rotted, there was nothing to link the giant beams together.

这些钉子一旦腐烂，巨大的横梁就没法连接了。

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Imagine the cost of restoring hundreds of rotted oak beams and replacing stonework on castellated walls four feet thick.

WSJ: Upstairs, Downstairs and In Between