名词
中文翻译：封闭的物体
同义词：
['sealed mass', 'sealed object', 'enclosed object例句：1. The engineer carefully sealed the enclosed mass to prevent leakage.（工程师小心翼翼地封住了这个封闭物体，以防止泄漏。）2. The scientist discovered an enclosed mass that could be used for energy storage.（科学家发现了一个可以用于能量存储的封闭物体。）']
例句：
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1. The engineer carefully sealed the enclosed mass to prevent leakage.
工程师小心翼翼地封住了这个封闭物体，以防止泄漏。
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2. The scientist discovered an enclosed mass that could be used for energy storage.
科学家发现了一个可以用于能量存储的封闭物体。
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3.The team worked tirelessly to seal the enclosed mass and prevent further contamination.
团队努力不懈地工作，以密封封闭物体并防止进一步污染。