水螅水母的

Epithelial cells and muscle is connected to a primitive phenomenon, Hydrozoa in some hard-jellyfish and jellyfish as well as most bowl Anthozoa animals, epithelial cells can be no contraction of the above-mentioned processes.

上皮细胞与肌肉相连是一种原始现象，水螅纲中的有些硬水母以及大多数钵水母和珊瑚纲动物，上皮细胞没有上述能收缩的突起。

Sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed.

座生的海洋腔肠动物，包括居独和群居的水螅；水母阶段完全被抑制。

Any of various invertebrate animals of the phylum Coelenterata,characterized by a radially symmetrical body with a saclike internal cavity,and including the jellyfishes,hydras,sea anemones,and coral s.

腔肠动物一种腔肠动物门的无脊椎动物，特征是有囊状腔的辐射对称体，包括水母、水螅、海葵和珊瑚

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

A material impervious to water .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

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。