| 单词 | coelenterates |
| 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〔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〔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〔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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