VOA慢速英语:Scientists Discover 50,000-Year-Old 'Super Life' in Mexico

crystal – n. a piece of something that is formed when the substance turns solid

cave – n. a large hole that was formed naturally in the side of a hill or under the ground

dormant – adj. asleep; alive, but having all activity suspended

revive – v. to become active again; to return to life

mushroom – n. part of a fungus that grows above ground

isolate – v. to separate or set apart from others

versatile – adj. changing quickly; having many uses