vorticella

1. Any of various ciliate protozoans of the genus Vorticella, having a bell-shaped body and living underwater on a slender stalk often attached to a plant or other object.
   钟虫一种钟虫属有纤毛的原生动物，具有铃状的身体，常连在一个植物或其它物体的细茎上并居住于水下。
2. Vorticella Protozoa in Lanzhou
   兰州市钟虫属原生动物
3. On the other hand, from the appearance of vorticella to the appearance of rotifer, the sludge yield coefficient is not changed tremendously, but the quality of the effluent is improved.
   当钟虫直至大型后生动物轮虫出现时，污泥产率系数未发生明显的变化，而污泥沉降性能及出水水质得到很好的改善。
4. There were a lot of communities bacillus, filamentous, vorticella, algae, coccus and so on.
   整个系统中活跃着大量的杆菌、丝状菌、钟虫、藻类、球菌等。

noun

1. any of various protozoa having a transparent goblet-shaped body with a retractile stalk