名词
中文翻译：封闭的避难所
同义词：
['closed shelter', 'closed sheltered area', 'enclosed shelter']
例句：
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1. The old man was found in a closed shelter after the storm.
暴风雨过后，老人被发现在一个封闭的避难所里。
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2.The team decided to use a closed shelter during the construction process.
在施工过程中，团队决定使用一个封闭的避难所。
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3.The children were kept in a closed shelter until the danger had passed.
孩子们被留在一个封闭的避难所里，直到危险过去。