- 问题详情:Itmayseemlikeamomentinasciencefictionmovie.Inafiercebattle,acreaturelosesanarmbut,then,growsanotheronetotakeitsplace.However,thisisnotsciencefiction.Itisscientificfact.Somefishandamphibians,suchassalamanders,canregrowlostlimbsandorgans.Asmamm...
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