helminthe

例句：

1. 1.Helminthozoa is a group of animals that live in the water.
   水生动物是一类生活在水里的生物。
2. 2.The helminths are parasites that eat their hosts.
   这些寄生虫是寄生在宿主身上的食肉动物。
3. 3. The helminths are harmful to humans because they can cause diseases.
   这些寄生虫对人类有害，因为它们可以导致疾病。