VOA慢速英语:一个漂浮的太空宇航员的助手

digital – adj. using or related to computer technology

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

display – n. electronic device (such as a computer monitor) that shows information

suitable – adj. acceptable or right for something

countermeasure – n. an action intended to stop or prevent something dangerous or bad

stress – n. feelings of worry caused by difficult situations

network – n. system of computers or devices that are connected to each other

rover – n. vehicle used for exploring the surface of a planet

infrastructure – n. the bridges, roads, and buildings required for an activity

dedicated – adj. designed to be used for a particular purpose