| 单词 | 棘皮动物 |
| 释义 | 〔crinoid〕Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or clawlike structure with which they are able to attach to a surface.海百合纲动物：任一种属于海百合纲的棘皮动物，包括有海百合以及毛头星等，其特征是身体成杯状，有羽状外延腕和可以吸附在海底的肉柄或爪状结构〔echinoderm〕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〔holothurian〕Any of various echinoderms of the class Holothuroidea, which includes the sea cucumbers.海参类动物：海参纲的棘皮动物，包括海参〔echinoderm〕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：棘皮动物门中各种的放射对称状海洋无脊椎动物，具有内骨架且通常有脊包覆外表，包括海星、海胆、海参等〔madreporite〕A perforated platelike structure in most echinoderms that forms the intake for their water-vascular systems.筛：在大多数棘皮动物身上的一个多孔板状的结构，构成它们水管系的进口〔spiculum〕A spicule or similar needlelike structure, such as a spine of an echinoderm or a capulatory organ in a nematode.小骨针：骨针或相似的针状结构，例如棘皮动物的刺或线虫的交合毛〔echinoid〕An echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins.海胆：一种属于海胆纲的棘皮动物，包括沙钱和海胆〔testaceous〕testaceous echinoderms.有介壳的棘皮动物〔periproct〕The area around the anus in certain invertebrates, such as echinoderms.围肛部：某些无脊椎动物肛门的周围部分，如棘皮动物〔enterocoele〕The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.肠体腔：由原肠壁的袋装生长而形成的体腔，尤其存在于棘皮动物和脊索动物中〔starfish〕Any of various marine echinoderms of the class Asteroidea, characteristically having a thick, often spiny body with five arms extending from a central disk. Also called asteroid ,sea star 海星：任一种海星纲的棘皮动物，典型特征是长有厚而带剌的身体，并生有五条辐射排列的腕 也作 asteroid,sea star〔ambulacrum〕One of the five radial areas on the undersurface of the starfish and similar echinoderms, from which the tube feet are protruded and withdrawn.步带：海星和类似棘皮动物底部五个辐射状排列部位中的一个，触手从这里进行伸缩 |
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