名词
中文翻译：不稳定的腔室
同义词：
['unstable cavity', 'unsteady cavity']
例句：
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1.The engineer found an unsteady cavity in the wall that needed to be filled with concrete.
工程师发现墙上有一个不稳定的腔室，需要用混凝土填充。
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2.The scientist discovered a rare mineral in an unsteady cavity deep within the mountain.
科学家在山中一个罕见的矿物中发现了一个不稳定的腔室。
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3. The construction crew was working on repairing the unsteady cavity in the foundation of the building.
建筑工人正在修复建筑物地基中的不稳定腔室。