- 问题详情:ThetallestbuildingintheUnitedStates,theOneWorldTradeCenter,openedonNovember3,2014inNewYork.Thebuildingis1,776feettall,makingitthe3rdtallestbuildingintheworld.Ithas104floors.ThebuildingstandsintheareawherethetwintowersoftheWorldTradeCenteronce...
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