VOA慢速英语:报告称大多数国家使用最新的身份识别技术追踪公民

track –v. to follow and try to find, to hunt down

surveillance –n. to carefully watch especially in order to prevent or detect a crime

artificial intelligence –n. computer science which gives machines the ability to seem like they have human intelligence

distinguish –v. to notice or recognize a difference between people or things

legitimate –adj. permitted or approved use

municipal –adj. related to the government of a city or town

install –v. to put something in place so it is ready to use

automated –adj. related to something that operates without the need of humn