national security
中文释义
国家安全，保护国家免受外部威胁的措施。
Measures taken to protect a country from external threats.
常用搭配
- threaten national security威胁国家安全
- safeguard national security维护国家安全
- national security concerns国家安全顾虑
例句
- The airport delays were blamed on national security checks.机场延误归咎于国家安全检查。
- The contract required a national security clearance.这份合同要求国家安全审查许可。