VOA慢速英语:美俄关系紧张并不在太空

mission – n. a project, program or operation

rely – v. to need for support, to depend on

curator – n. someone who cares for something, especially a person responsible for a show or exhibit

deem – v. to consider someone or something in a certain way

bond – n. something that connects

unperturbed – adj. not bothered, not worried

resource – n. a supply of something; a place or thing that provides something useful

habitable – adj. fit to be lived in, able to support life

celestial – adj. related to the sky, in the sky