名词
中文翻译：实心圆拱门
同义词：
['solid arch', 'solid arched door例句：1. The solid-barrel arch is a symbol of the ancient Roman architecture.（实心圆拱门是古罗马建筑的象征。）']
例句：
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1. The solid-barrel arch is a symbol of the ancient Roman architecture.
实心圆拱门是古罗马建筑的象征。
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2. The solid-barrel arch is an important part of the medieval castle.
实心圆拱门是中世纪城堡的重要部分。
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3. The solid-barrel arch was used to protect the city from invaders.
实心圆拱门被用来保护城市免受侵略者的威胁。