释义 |
e·chi·no·derm AHD[ĭ-kīʹnə-dûrm'] D.J.[ɪˈkaɪnəˌdɜːm]K.K.[ɪˈkaɪnəˌdɝm]n.(名词)- Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an internal calcareous skeleton and often covered with spines.棘皮动物:任一种属于棘皮动物门的许多呈辐射对称状的海生无脊椎动物,包括海盘车、海胆和海参,内部骨架含钙,常覆盖有棘针
echi'noderʹmal 或 echi'noderʹmatous AHD[-dûrʹmə-təs] (形容词) |