名词
中文翻译：后门
同义词：
['side door', 'back door例句：1. The restaurant has a back door that leads to the alley.（这家餐馆有一个后门通向小巷。）']
例句：
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1. The restaurant has a back door that leads to the alley.
这家餐馆有一个后门通向小巷。
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2.She opened the back door to let fresh air in.
她打开后门让新鲜空气进来。
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3.The old house had several back doors for easy access.
这所老房子有几个后门便于出入。