monomyaria

例句：

1. 1. The motile flagellum of a bacterium is essential for its movement.
   细菌的可动鞭毛对其运动至关重要。
2. 2. Motile bacteria are often found in soil and water environments.
   可动细菌通常存在于土壤和水环境中。
3. 3.Researchers have discovered that motile bacteria play a crucial role in nutrient cycling.
   研究人员发现，可动细菌在养分循环中起着关键作用。