VOA慢速英语:机器人在平昌冬奥会场外的滑雪赛道上同场竞技

athlete – n. person who is trained or good at sports

artificial intelligence – n. the ability of a machine to reproduce human behavior

course – n. a path followed by people in a race

obstacle – n. an object standing in the way of something

navigate – v. to find the way to get to a certain place

amaze – v. to surprise and sometimes confuse (someone) very much

comprehension – n. the ability to understand something