cytozoic parasite

例句：

1. 1. The cytozoic bacteria in the gut play a crucial role in digestion.
   肠道中的胞内细菌在消化过程中起着至关重要的作用。
2. 2. Cytozoic parasites are known to cause diseases in humans and animals.
   已知胞内寄生虫能引起人类和动物的疾病。
3. 3.The study of cytozoic microbes has led to new insights into the evolution of life on Earth.
   对胞内微生物的研究为地球上生命进化的新见解提供了依据。