groin vault
常见例句
- Two Roman inventions allowed for greater architectural flexibility: the dome and the groin vault-formed by the intersection of two identical barrel vaults over a square plan.
两组罗马特色的发明使得建筑更加灵活起来：穹顶以及通过两个独立筒形拱顶交叉于一个正方形设计上的交叉拱顶。
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