| 单词 | echinoderm |
| 释义 | echinoderm echinoderm /ɪˈkaɪ.nəʊ.dɜːm/ aep /-dɝːm/ noun [C] SPECIALIZED ► F0 a type of sea creature with raised areas or sharp points on its skin and a body made of five equal parts arranged around the centre: » Echinoderms like the starfish live on the sea floor.Thesaurus+: ↑Sea creatures , ↑Sea fish |
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