名词
中文翻译：拱顶
同义词：
['crown', 'dome', 'spire']
例句：
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1.The arc crest of the mountain is a marvelous sight to behold.
山的拱顶是令人惊叹的景象。
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2.The dome of the cathedral is a symbol of the city's grandeur.
大教堂的圆顶是这座城市宏伟的象征。
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3. The spire of the temple stands tall and proud, as if guarding the secrets of the land.
寺庙的尖塔高耸而骄傲，仿佛守护着这片土地的秘密。