名词
中文翻译：密封源
同义词：
['密封的源头例句：1. The sealed source of information is crucial for the success of a project.（信息来源的保密对于项目的成功至关重要。）']
例句：
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1. The sealed source of information is crucial for the success of a project.
信息来源的保密对于项目的成功至关重要。
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2.The sealed source of water in the desert is essential for survival.
沙漠中的水源是生存的关键。
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3.The sealed source of knowledge is often hidden away from public view.
知识的来源往往被隐藏起来，不为公众所知。