| 单词 | hydra |
| 释义 | hydra n 1 (in Greek mythology) snake-like monster with many heads that grew again if they were cut off （希腊神话中的）蛇怪（长著许多头, 斩去後能重新长出）. 2 (fig 比喻) thing that is hard to get rid of; recurring problem 难以除掉的事物; 一再出现的问题. |
英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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