名词
中文翻译：性别双重的拱顶同义词
同义词：
['sextuple vault', 'sextuple dome', 'sextuple sphere']
例句：
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1. The architect designed a sextuple vault for the new museum.
建筑师为新博物馆设计了一个双层拱顶。
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2. The construction of the sextuple vault was completed ahead of schedule.
双层拱顶的建设提前完成了。
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3. The sextuple vault is an architectural marvel that attracts tourists from around the world.
双层拱顶是一个建筑奇迹，吸引了来自世界各地的游客。