名词
中文翻译：Unknown
同义词：
['hydra', 'hydroseder']
例句：
-
1. 水蛭
一种吸血的无脊椎动物
-
1. The water spider is a type of hydra that feeds on small fish.
水蜘蛛是一种水蛭，以小鱼为食。
-
2. The hydra-like structure was found in the riverbed.
在河床发现了类似水蛭的结构。
-
3. The hydra-like creature was able to move its body through the water.
这种类似水蛭的生物能够通过水流移动身体。