Hydra
01
水螅, 淡水息肉
a freshwater polyp with a cylindrical body and tentacles
语法信息
有生性状态
动物
形态构成
简单词
可数
复数形式
hydras
例子
Researchers observed a hydra attached to the underside of a leaf in the pond, its tentacles swaying gently in the water.
研究人员观察到一只水螅附着在池塘中叶子的下侧，其触手在水中轻轻摇摆。
02
九头蛇, 持续的问题
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
03
长蛇座, 长蛇
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
04
九头蛇, 勒拿九头蛇
a mythical serpent-like creature in Greek mythology that has multiple heads, and if one head is cut off, two more will grow in its place
