endosymbiont

例句：

1. 1.The symbiotic relationship between the plant and its microbes is essential for growth.
   植物与其微生物之间的共生关系对于生长至关重要。
2. 2.The endosymbiont bacteria help the host plant to digest food more efficiently.
   内共生细菌帮助宿主植物更有效地消化食物。
3. 3.In some species of fungi, the endosymbiotic relationship can lead to the production of antibiotics.
   在某些真菌物种中，内共生关系可以导致抗生素的产生。