汉英词典
Chinese-English Dictionary
MEANING OF 棘皮動物
棘皮動物 (棘皮动物)
echinoderm, the phylum containing sea urchins, sea cucumbers etc
无脊椎动物的一门,外皮一般具有石灰质的刺状突起,身体球形、星形或圆棒形,生活在海底,运动缓慢或不运动,如海星、海胆、海参、海百合等。
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