any of a group phylum of radially symmetrical marine animals including the starfishes, sea urchins, etc and related forms: phylum Echinodermata
echinodermatous /-ʹduhmətəs/ adj
[echino- + -dermata from Greek derma skin, from derein to skin]
| 单词 | echinoderm |
| 释义 | echinoderm |
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