VOA慢速英语:大规模的枪击威胁导致美国学校使用人工智能摄像头

artificial intelligence – n. the development of computer systems with the ability to perform work that normally requires human intelligence

scary – adj. causing fear; frightening

feedback – n. information about reactions to a product or event

customer – n. a person or group that buys products or services from a business

spook – v. to frighten; to unnerve