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vault
[명사]
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
금고, 아치 천장
Ex: The ancient Roman aqueduct was constructed with a series of vaults, transporting water across long distances with impressive engineering precision .
apex
[명사]
the topmost point of something
정점, 최고점
Ex: The statue was placed at apex of the hill , overlooking the surrounding valley .
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