用“intergalactic space”造句大全，intergalactic space造句
”Evenastronomersusedtothinklittleofintergalacticspace.Atthatspeed,itwillescapethegalaxy'sgraspandsailoffintointergalacticspace.Intermsofdensity,thevoyagefrominterplanetarytointergalacticspaceismored...