名词
中文翻译：未封闭的楼梯
同义词：
['unenclosed ladder', 'unenclosed staircase例句：1. The old building has several unenclosed stairs leading to the upper floor.（这座老建筑有几个未封闭的楼梯通向上层。）2. The architect designed a series of unenclosed stairs for the new office building.（建筑师为新办公楼设计了一系列未封闭的楼梯。）']
例句：
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1. The old building has several unenclosed stairs leading to the upper floor.
这座老建筑有几个未封闭的楼梯通向上层。
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2. The architect designed a series of unenclosed stairs for the new office building.
建筑师为新办公楼设计了一系列未封闭的楼梯。
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3.The construction workers were busy installing unenclosed stairs in the basement.
施工工人忙于在地下室安装未封闭的楼梯。