| 单词 | 水螅虫 |
| 释义 | 〔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〔scyphozoan〕Any of various marine coelenterates of the class Scyphozoa, which includes the large jellyfishes, characterized by the absence of a velum and by a polyp stage that is very small or lacking entirely.钵水母：一种属于钵水母纲的海洋腔肠动物，包括大海蜇，特点为没有缘膜以及有一个很短的水螅虫阶段或者根本没有〔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〔hydroid〕The asexual polyp in the life cycle of a hydrozoan.水螅虫类：生命循环中的无性生殖水螅虫〔hydromedusa〕A hydrozoan in the medusoid stage of its life cycle.水母：一只在生命循环期间处于水母阶段的水螅虫〔scyphistoma〕A larva of a scyphozoan, consisting of an elongated and deeply constricted polyp that successively splits off minute, free-swimming medusas.钵口幼虫，螅状幼体：钵水母的幼虫，包括一只伸长的、深深收紧的水螅虫，它能够非常成功地分割开微小的，自由游荡的水母〔hydrocoral〕Any of various colonial marine hydrozoans of the order Hydrocorallinae, having a limestone skeleton and thus resembling the true corals.水珊瑚虫：属于水生珊瑚虫类的多种集群海生水螅虫的任何一种，其有石灰石结构，类似真正的珊瑚〔obelia〕Any of various colonial marine hydroids of the genusObelia, having various specialized feeding and reproductive polyps and growing in a branchlike form. Colonies of obelia are found as a delicate furlike growth on the wooden piles of piers and wharves. 薮枝螅：一种薮枝螅 属集群水螅，有各种专门喂食和繁殖的水螅虫，以枝条状形式生长，水螅群如细薄皮毛般生长在桥墩和码头的木堆上 〔hydroid〕Of, relating to, or characteristic of a hydroid.属于、或与水螅虫有关的，或有水螅虫特点的 |
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