诺卡氏菌属

例句：

1. 1.The bacteria in the soil are a major source of nitrogen for plants.
   土壤中的细菌是植物氮的主要来源。
2. 2. The researcher found that the Nocardia species had unique characteristics.
   研究者发现，诺卡氏菌种具有独特的特性。
3. 3. The study focused on the relationship between Nocardia and human health.
   该研究关注了诺卡氏菌与人类健康之间的关系。