形容词
中文翻译：高度机密的
同义词：
['secret', 'confidential', 'top-secret']
例句：
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1.The information was kept top-secret to prevent leakage.
为了防止泄露，该信息被严格保密。
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2. The government decided to keep the top-secret project a secret until it was ready to launch.
政府决定将这个绝密项目保密，直到准备好启动。
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3.The company's top-secret formula has been closely guarded by its employees.
公司的绝密配方由员工严密守护。