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用“denser”造句大全，denser造句

用“denser”造句大全，denser造句

2018-01-29
Songbirdbonesmaybehollow,butthey'reactuallydenserthanthebonesofmammalsofthesamesize.Theprocessblastedoutmaterialtoformthebubblestructureofglowinggasagainstdensermaterialinasurroundingmolecularcloud.B...