VOA慢速英语:在迪拜机场 眼睛成了旅客的护照

unique – adj. very special or unusual

scan – v. to look at the inside of something by using a special machine

accuracy – n. how correct or exact something is

automate – v. to use machines and computers instead of people to do work

artificial intelligence – n. the power of a machine to copy intelligent human behavior

surveillance - n. the act of carefully watching activities of people especially in order to control crime or the spread of disease

transparent – adj. being open and honest about something

private sector – n. businesses and industries that are not owned or controlled by the government