名词
中文翻译：四边形屋顶
同义词：
['quadrilateral roof', 'rectangular roof']
例句：
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1.The architect designed a quadrangle roof for the new office building.
建筑师为新办公楼设计了一个四边形屋顶。
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2. The old house had a quadrangle roof that was well-maintained.
这所老房子有一个维护得很好的四边形屋顶。
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3.The engineers were discussing how to upgrade the existing quadrangle roof system.
工程师们正在讨论如何升级现有的四边形屋顶系统。