| 单词 | hydrozoan |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔coralline〕Any of various organisms that resemble coral, such as certain bryozoans or hydrozoans.珊瑚虫状动物：一种珊瑚虫状的生物，如某些苔藓虫或水螅等美国传统〔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〔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美国传统〔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美国传统〔perisarc〕A horny external covering that encloses the polyp colonies of certain hydrozoans.（某些水螅体的）围膜：包在某些水螅体外的角质物美国传统〔planoblast〕The medusa of certain hydrozoans.盘水螅水母：一种水螅水母的水母美国传统〔pneumatophore〕A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.气囊，浮囊：在某些群居的海生水螅纲动物中，用作漂浮物的一种充气小囊，如葡萄牙的僧帽水母的浮囊美国传统〔zooid〕Zoology One of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan.【动物学】 单一个体：不同个体中之一，其形成群居动物（如苔藓动物和水螅纲动物）美国传统 |
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