hydra
US /ˈhaɪ.drə/
UK /ˈhaɪ.drə/
名词
1.
水螅, 淡水水螅
a freshwater polyp of the genus Hydra, having a cylindrical body and a ring of tentacles around the mouth
示例:
•
The biologist observed a hydra under the microscope.
生物学家在显微镜下观察到一只水螅。
•
Hydra are known for their regenerative abilities.
水螅以其再生能力而闻名。
2.
九头蛇, 多头蛇
a mythical multi-headed serpent, especially one whose heads grow again if cut off
示例:
•
Hercules fought the Lernaean Hydra.
赫拉克勒斯与勒耳那的九头蛇搏斗。
•
The monster was like a hydra, with new problems appearing as soon as one was solved.
这个怪物就像一只九头蛇，一个问题解决了，新的问题又立刻出现。