| 释义 |
hydra/ˈhaidrə/n. 1 a freshwater polyp of the genus Hydra with tubular body and tentacles around the mouth 水螅(淡水水螅属珊瑚虫，身体呈柱形，嘴周围有触须) 2 any water snake 水蛇 3 something which is hard to destroy 难以毁坏的东西；固疾 [Middle English via Latin from Greek hudra ‘water snake’, esp. a fabulous one with many heads that grew again when cut off] |