名词
中文翻译：Unknown
同义词：
['back stairway', 'outside staircase', 'outdoor staircase']
例句：
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1. The family decided to move to a new house that had an outside stairway.
这个家庭决定搬到一栋有外部楼梯的新房子。
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2. The old building had a back stairway that was no longer accessible.
那座旧建筑有一个背部楼梯，现在无法使用了。
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3. The architect designed the outdoor staircase to blend seamlessly with the landscape.
这位建筑师设计了一座与周围景观无缝融合的户外楼梯。