形容词
中文翻译：未认证的
同义词：
['illegitimate', 'unverified', 'unauthorized']
例句：
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1. The documents were unauthenticated, so they couldn'tbe used as evidence.
这些文件未经验证，不能作为证据。
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2. The company was accusedof unauthorized access to the company's systems.
该公司被指控未经授权访问公司系统。
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3. The research was unauthenticated, leading to a lotof skepticism.
这项研究未经验证，引起了很多怀疑。