Protonemertini

例句：

1. 1. Prokaryotes are a diverse group of microorganisms that play important roles in the environment.
   原核生物是一类在环境中扮演重要角色的微生物。
2. 2. The discovery of antibiotics has revolutionized the treatment of bacterial infections.
   抗生素的发现已经彻底改变了治疗细菌感染的方法。
3. 3. Prokaryotes are responsible for many essential biological processes, including metabolism and waste removal.
   原核生物负责许多基本的生物学过程，包括代谢和废物处理。