名词
中文翻译：半拱门
同义词：
['half arch', 'semicircular arch例句：1. The building has a semi-arch entrance leading to the main hall.（这座建筑有一个半拱门式的入口通向主厅。）']
例句：
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1. The building has a semi-arch entrance leading to the main hall.
这座建筑有一个半拱门式的入口通向主厅。
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2. The museum features several semi-arches that showcase different art styles.
博物馆有几个半拱门，展示了不同的艺术风格。
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3. The construction of this bridge was designed with a semi-arch structure to enhance stability.
这座桥梁的建设采用了半拱结构来增强稳定性。