Then he secretly constructed the most important part of the building, the roof beam that would hold the roof together.

然后，他私下造好了工程中最重要的部分–支撑整个屋顶的大梁。

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At last they got to the point of installing the roof beam.

最后，工程进行到安装屋顶大梁这一紧要步骤了。

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So they accepted the roof beam from Good-doer, and she helped to finish the building of the inn.

这样，男人们就从善行那儿接受了捐赠的屋梁，善行也就帮着完成了旅店的建造。

youdao

Basements provide good protection if equipped with a suitable door and a concrete roof, but basements of pier-beam houses would leave their occupants exposed and vulnerable if the structure above them were blown away, said Ernst Kiesling, a former professor of civil engineering at Texas Tech.

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