单词	fan vault
释义	fan vault noun : a Gothic vault in which the ribs from each springer spread out like the vanes of a fan fan vaulting noun Word History First Known Use circa 1901, in the meaning defined above
随便看	sitters sitters-by sitters-in Sittidae sittidaes sittine sitting sitting about sitting around sitting back Sitting Bull sitting by sitting down sitting duck sitting ducks sitting height sitting in sitting in on sitting in the catbird seat sitting on sitting out sitting room sitting shot sitting tenant sitting through

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