VOA慢速英语:5 Driverless Robots for Transporting Food and More

customer – n. person who buys goods or services from a business

delivery – n. the act of taking something to a person or place

groceries – n. food and other goods sold in stores to be used at home

autonomous – adj. engaging in an activity separately from other things

bar – n. place where people go to drink

scan – v. to read or mark something

location – n. the position or placement of something

convenience – adj. designed for quick and easy use

trend – n. a general movement or development

artificial intelligence – n. the development of computers to perform intelligence-related tasks without human involvement