VOA慢速英语:NASA: Newly Discovered Planets Could Hold Life Forms(翻译)

habitable – adj. able to sustain life

priority – n. something important needing to be dealt with before other things

dwarf – adj. smaller than normal size

terrestrial – adj. relating to the Earth, not space

potentially – adv. possibility of becoming real

infrared – adj. producing or using rays of light that cannot be seen

mirror – n. a piece of glass that reflects images