资料来源 : pyDict

棘皮动物类的动物

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Echinoderm \E*chin"o*derm`\, n. (Zo["o]l.)
   One of the Echinodermata.

资料来源 : WordNet®

echinoderm
     n : marine invertebrates with tube feet and calcite-covered
         five-part radially symmetrical bodies