Mars(火星)appearstobeflowingwithsmallstreamsofsaltywater...
问题详情: Mars(火星)appearstobeflowingwithsmallstreamsofsaltywater,atleastinthe summer,scientistsreportedMonday."Itsuggeststhat.itwouldbepossibleforthereto belifetodayonMars,"NASA'ssciencemission...