形容词
中文翻译：保密的
同义词：
['secret', 'private', 'confidential']
例句：
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1. The company's policy on confidentiality is strictly enforced.
该公司对保密政策执行严格。
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2. He kept the information confidential to protect his sources.
他保守秘密以保护他的情报来源。
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3. The meeting was held in a conference room with all the details kept confidential.
会议在一间保密的会议室举行，所有细节都保密。