VOA慢速英语:美研究长期太空飞行有关的问题

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traits – n. qualities that make a person different from another

isolation – n. the condition of being alone or separated from others

dome – n. a structure or part of one shaped more or less like a half sphere

challenges – n. things that are difficult to do

resilient – adj. able to return to health or normality after something bad

cope – v. to deal with problems and to try to find solutions to them