APlanForExploringMar的精選

問題詳情：APlanForExploringMarsNASAismovingaheadwithplanstoputalong－armedlanderonMars'icynorthpoletosearchforclues(線索)forwaterandpossiblesignsoflife.TheMYM386millionPhoenixMarsisplannedtotouchdowninth...