名词中文翻译
中文翻译：隐藏项目
同义词：
['secret project', 'covert project']
例句：
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1. The hidden project was a secret thatonly a few people knew about.
这个秘密项目只有少数人知道。
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2. The government has beenworking on a hidden project for years.
政府已经秘密地工作了好几年。
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3. The hiddenproject was a risky venture that couldhave failed if it had been discovered.
这个秘密项目是一个有风险的冒险，如果被发现可能会失败。