sterile mycelium

例句：

1. 1. The sterile mycelium is a critical component of the microbial ecosystem.
   无菌菌丝体是微生物生态系统的关键组成部分。
2. 2. In agriculture, sterile mycelium is used to produce high-quality seed.
   在农业中，无菌菌丝体用于生产高质量的种子。
3. 3.The researchers found that the sterile mycelium could be used as a natural antimicrobial agent.
   研究人员发现，无菌菌丝体可以作为一种天然的抗菌剂。