| 单词 | 腔肠动物 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔cnidoblast〕A cell in the epidermis of coelenterates in which a nematocyst is developed.刺细胞：产生线虫的腔肠动物表皮层细胞美国传统〔coelenterate〕Of, relating to, or belonging to the phylum Coelenterata.（属于或有关）腔肠动物门的美国传统〔coelenteron〕The saclike cavity within the body of a coelenterate.体肠腔：腔肠动物体内的囊状腔美国传统〔collenchyme〕A gelatinous mesenchyme that constitutes a layer in the body wall of many coelenterates and ctenophores.胶充质：一种胶状间质，在许多腔肠动物及栉水母门动物身体内壁构成一层隔膜美国传统〔diploblastic〕Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of lower invertebrates, such as sponges and coelenterates.双胚层的：具有两个胚层（外胚层和内胚层）的。用于低等无脊椎动物，如寄生虫和腔肠动物美国传统〔gastrovascular〕Having both a digestive and a circulatory function. Used especially to describe the body cavity of a coelenterate.消化循环的：具有消化和循环两者的功能的，尤其用来描绘腔肠动物的体腔美国传统〔hydroid〕Any of numerous characteristically colonial hydrozoan coelenterates having a polyp rather than a medusoid form as the dominant stage of the life cycle.水螅虫：许多典型的移居的腔肠动物中水螅虫类的任何一种，在生命循环中最重要阶段以水螅的形状而不是水母的形状出现美国传统〔hydrozoan〕Any of numerous coelenterates of the class Hydrozoa, including the freshwater hydras, hydroids, hydrocorals, and siphonophores.水螅水母类动物：水螅水母类无数腔肠动物中的任何一个，包括淡水水螅，水螅类动物，水珊瑚及管水母类动物美国传统〔jellyfish〕Any of various similar or related coelenterates.水母类动物：各种与腔肠动物相似或有关的种类美国传统〔medusa〕The tentacled, usually bell-shaped, free-swimming sexual stage in the life cycle of a coelenterate, such as a jellyfish.水螅水母：有触手的，通常呈带状的，生命周期中有性阶段自由游动的腔肠动物，如水母美国传统〔mesoglea〕The layer of gelatinous material that separates the inner and outer cell layers of a coelenterate.中胶层：一种将腔肠动物的内外细胞层分开的胶状物质层美国传统〔planula〕The flat, free-swimming, ciliated larva of a coelenterate.浮浪幼体：腔肠动物其扁平的，能自由浮游的，有纤毛的幼体美国传统〔polyp〕A coelenterate, such as a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.水螅型珊瑚虫，水螅虫：一种有柱状身体和通常被触角包围的口部开口的腔肠动物，比如水螅或珊瑚虫美国传统〔sea anemone〕Any of numerous flowerlike marine coelenterates of the class Anthozoa, having a flexible cylindrical body and tentacles surrounding a central mouth.海葵：任一种大量的珊瑚虫纲花状海生腔肠动物，具有能够伸缩的圆筒形身体和围绕着中间的嘴的触须美国传统 |
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