动词短语
中文翻译：Unknown
同义词：
['阻止、封锁、禁止、限制例句：1. The system was locked down to prevent unauthorized access.（为了防止未经授权的访问，系统被锁定了。）']
例句：
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1.阻止
计算机
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1. The system was locked down to prevent unauthorized access.
为了防止未经授权的访问，系统被锁定了。
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2.The data was locked down to ensure security.
为了确保安全，数据被锁定了。
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3.The program was locked down to prevent crashes.
为了防止崩溃，程序被锁定了。