Zoology. Each of the arms or radial divisions of a starfish or other echinoderm; each of the main axes of symmetry corresponding to these. Also: a…
单词 | θ32049 |
释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > member of > parts of > radiating part (2) radius1698 Zoology. Each of the arms or radial divisions of a starfish or other echinoderm; each of the main axes of symmetry corresponding to these. Also: a… perradius1880 Each of the primary rays or axes in certain coelenterates and ctenophores. |
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