| 单词 | hydrozoans |
| 例句 | 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〔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 |
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