名词
中文翻译：水母
同义词：
['hydra', 'hydrozoan', 'hydrobione']
例句：
-
1.The hydra is a fascinating creature that can grow up to 10 meters long.
水母是一种令人着迷的生物，可以长到10米长。
-
2.Hydrozoans are marine animals that live in the water column and feed on plankton.
水母是海洋动物，生活在水柱中，以浮游生物为食。
-
3. The hydra has been used as a symbol of rebirth and renewal in many cultures.
水母在许多文化中被用作重生和更新的象征。