pariphylin

例句：

1. 1. The bacteria that cause urinary tract infections are often found inthe urine of healthy individuals.
   引起尿路感染的细菌通常存在于健康个体的尿液中。
2. 2. The flagellum isa long, whip-like structure onthe surface of many prokaryoticcells.
   鞭毛是许多原核细胞表面的一根长而鞭状的结构。
3. 3. Theflagellin gene is responsible for theproduction of the flagellum protein.
   鞭毛蛋白基因负责产生鞭毛蛋白。