| 释义 |
hy·dra AHD[hīʹdrə] D.J.[ˈhaɪdrə]K.K.[ˈhaɪdrə]n.（名词）【复数】 hy.dras 或 hy.drae [-drē] - Any of several small freshwater polyps of the genusHydra 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
- New Latin Hydra [genus name] 新拉丁语 Hydra [属的名称]
- from Latin Hydra [Hydra] * see Hydra 源自 拉丁语 Hydra [水螅] * 参见 Hydra
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