名词
中文翻译：螺旋楼梯
同义词：
['spiral staircase', 'spiral ladder']
例句：
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1. The spiral staircase leads to the top floor.
螺旋楼梯通向顶层。
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2. The spiral ladder is easy to climb for children.
螺旋梯子对于孩子们来说很容易爬。
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3. The spiral staircase in the museum is very impressive.
博物馆里的螺旋楼梯非常令人印象深刻。