Polycirrinae

例句：

1. 1. The study of polycystine has led to significant advancements in the field of marine biology.
   对多孔虫的研究已经为海洋生物学领域带来了重大进步。
2. 2. The polychaetes are a diverse group of animals that play important roles in the ecosystem.
   多毛动物是一群多样性极高的动物，它们在生态系统中扮演着重要角色。
3. 3. The polydora is a fascinating creature that has been the subject of many scientific studies.
   多毛虫是一种令人着迷的生物，它一直是许多科学研究的对象。