hydras
📖 中文释义
- [医] 水化物, 水合物
🔗 释义中的汉语词
🧩 词形变化
原形 hydra
📘 English Definition（英文释义）
- n (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
- n a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
- n trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
- n small tubular solitary freshwater hydrozoan polyp