名词
中文翻译：拱形的下垂
同义词：
['archcollapse', 'arch fall']
例句：
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1. The ancient Roman arches arestill standing today, but the original structurehas collapsed.
古老的罗马拱门至今仍然屹立，但原始结构已经坍塌了。
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2. Thearch was designed to support the weight ofthe building, but it eventually fell dueto age and neglect.
这座拱门原本是为了支撑建筑的重量而设计的，但由于年久失修和忽视，最终倒塌了。
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3. The archway is a symbol ofthe city's rich history and architecture, and it is often used as alandmark in tourist attractions.
拱门是这座城市丰富历史和建筑的象征，经常被用作旅游景点的地标。