Zoology. (plural usually hydrae.) A genus of Hydrozoa, consisting of freshwater polyps of very simple structure, the body having the form of a…
| 单词 | θ32108 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of order Hydroidea > genus Hydra (1) hydra1798 Zoology. (plural usually hydrae.) A genus of Hydrozoa, consisting of freshwater polyps of very simple structure, the body having the form of a… |
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