1.
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
2.
A feeding zooid in a hydroid colony having an oral opening surrounded by tentacles.
水螅体水螅群体的一营养个体，有一周围生有触须的口部
3.
Coral is formed by certain types of polyp.
珊瑚是由某些水螅体构成的.
4.
sessile hydroid that forms feathery colonies.
具有细弱分支软水母亚目水螅体的一个属。
5.
feathery colony of long-branched stems bearing stalkless paired polyps.
身体柔软且分长叉的群居水螅，生养成对的无肉柄水螅。
6.
Effect of Illumination on Growth of Scyphistoma in Jellyfish Cyanea nozakii
光照对白色霞水母螅状体生长的影响
7.
Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles.
水螅任何几种水螅属或相近属的小型的、淡水珊瑚虫，身体呈圆柱形、表面无鳞甲，口部周围有触须
8.
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
9.
In the same developing time,different temperature affects on sprouting numbers and dropping numbers of Hydra robusta.
同一发育时间内,温度的不同影响水螅出芽数和脱落芽体数.
10.
The life history of Rhopilema hispidum and comparison of morphological characteristics among some scyphistomae
黄斑海蜇的生活史及几种钵水母类螅状体形态特征的比较
11.
anthozoan polyp
珊瑚虫, 珊瑚水螅
12.
One of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan.
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）
13.
A structure bearing or consisting of a reproductive organ or part, such as a reproductive polyp or bud in a hydroid colony.
生殖芽体有生殖器官或部分生殖器官的结构，如再生性珊瑚虫或螅状群的芽体
14.
An asexual reproductive structure, as in yeast or a hydra, that consists of an outgrowth capable of developing into a new individual.
芽体一种无性再生结构，如酵母或水螅，包含有一个外部生长物，可以发育成一个新的个体
15.
a floating or swimming oceanic colony of polyps often transparent or showily colored.
一种浮游或游动的海生移栖水螅水母，身体经常透明或有华丽的色彩。
16.
one of two forms that coelenterates take e.g. a hydra or coral: usually sedentary and has a hollow cylindrical body usually with a ring of tentacles around the mouth.
两种形式的腔肠动物之一，如水螅和珊瑚虫；通常不移栖，圆柱形身体，嘴周围通常有一圈触须。
17.
Therefore, Hydra reaggregations technique will be a rapid screening method for predicting the potential toxicity of food additlves.
因此，水螅细胞重聚体技术可以作为预测食品添加剂潜在毒性的快速筛选的一种方法．
18.
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