| 单词 | hydra |
|---|---|
| 音标 | /ˈhaɪdrə/ |
| 解释 | n. 难以根除之祸害；[动]水螅；[希神]九头蛇 Hydra(通用名)长蛇座 HYDRAabbr. Hydrographic Digital Positioning and Depth Recording System 水路数字定位与深度记录系统 |
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