There's an internal security camera that's also recording 24 hours a day.
里面还有一个 24 小时都在录像的内部监控摄像头。
NPR音讯 2020年8月合集
Today he ordered his internal security officials to bring calm back to the country.
今天，他命令国内安全官员让国家恢复平静。
BBC 听力 2015年3月合集
The minister for internal security Joseph Nkaissery said the barriers will prevent attackes by the Somalia militant group Al-Shabab.
国内安全部长约瑟夫称这些障碍物将阻止索马里武装组织阿尔沙巴布的袭击。
Newsweek
They have deliberately coup-proofed the country by weakening the army, retiring its senior leaders and repositioning it as an internal security force that is scattered across the country.
Internal security, or IS, is the act of keeping peace within the borders of a sovereign state or other self-governing territories. generally by upholding the national law and defending against internal security threats. Responsibility for internal security may range from police to paramilitary forces, and in exceptional circumstances, the military itself.