名词
中文翻译：闭孔
同义词：
['closed space', 'closed cavity例句：1. The scientist discovered a closed pore in the rock.（科学家在岩石中发现了一处闭孔。）']
例句：
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1. The scientist discovered a closed pore in the rock.
科学家在岩石中发现了一处闭孔。
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2. The engineer found a closed pore in the wall.
工程师在墙上发现了一处闭孔。
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3. The gas was trapped in a closed pore.
气体被封闭在了一个闭孔里。