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vault
[名词]
an architectural structure, often made of stone or concrete, that forms a curved or arched ceiling or roof, providing strength, support, and architectural beauty to a space
拱顶, 穹顶
Ex: The ancient Roman aqueduct was constructed with a series of vaults, transporting water across long distances with impressive engineering precision .
apex
[名词]
the topmost point of something
顶点, 最高点
Ex: The statue was placed at apex of the hill , overlooking the surrounding valley .
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