Adogrunningforthefirsttimeinhislifethanksto3D-printedpr...
问题详情：Adogrunningforthefirsttimeinhislifethanksto3D-printedprosthetic(假肢)legshasmovedalotofpeople． Derbywasbornwithdisabledfrontlegs．While3Dprintershavebeenusedtomake replacementlimbs(肢体)forhuma...