VOA慢速英语:Volunteers Get Taste of Mars in Hawaii

isolated – adj. separate from others

stark – adj. something that looks very simple, and often cold or empty

solar system – n. planets in orbit around a sun or star. Earth and Mars are in the same solar system

self-sufficient – adj. being able to live or operate on your own, without help

habitat – n.  the place where an animal or place normally lives