pycnosclerotium

例句：

1. 1.The bacterium was isolated from the soil sample collected from the pycnosclerotium.
   从土壤样本中分离出的细菌。
2. 2. The researcher discovered that the pycnosclerotium had a unique ability to resist disease.
   研究者发现这种菌株具有抵抗疾病的独特能力。
3. 3.The pycnosclerotium is a valuable resource for agriculture, as it can be used to fertilize plants.
   这种菌株对农业非常有价值，因为它可以用来给植物施肥。