a small tubular freshwater polyp with a mouth surrounded by tentacles: genus Hydra
a persistent evil that is not easily overcome
[named after Hydra, a serpent in Greek mythology with many heads, which regrew when cut off]
| 单词 | hydra |
| 释义 | hydra |
| 随便看 |
英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。