“intergalactic space”写句子 用intergalactic space造句大全
02-16
”Evenastronomersusedtothinklittleofintergalacticspace.Atthatspeed,itwillescapethegalaxy'sgraspandsailoffintointergalacticspace.Intermsofdensity,thevoyagefrominterplanetarytointergalacticspaceismored...