名词
中文翻译：后楼梯
同义词：
['basement', 'cellar', 'lower floor例句：1. The backstairs of the house are clutteredwith old boxes and books.（房子的后楼梯上堆满了旧箱子和书。）']
例句：
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1. The backstairs of the house are clutteredwith old boxes and books.
房子的后楼梯上堆满了旧箱子和书。
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2.She went down to the backstairs to check on her elderly neighbor.
她去后楼梯看望她的老年邻居。
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3. Thechef had to move his kitchen equipment tothe backstairs during renovations.
在装修期间，厨师不得不把他的厨房设备搬到后楼梯。