root secretion

例句：

1. 1. The roots of the tree are responsible for its ability to absorb water and nutrients from the soil.
   树的根负责吸收土壤中的水分和养分。
2. 2.The root secretion helps the plant to grow stronger and more resilient.
   根部分泌有助于植物生长得更加强壮和有韧性。
3. 3.In some plants, the root secretion can contain antimicrobial compounds that protect the plant from diseases.
   在有些植物中，根部分泌可以包含抗菌化合物，保护植物免受疾病侵害。