microbial activities

例句：

1. 1. The study focused on the microbial diversity in the soil.
   该研究关注土壤中的微生物多样性。
2. 2. Microbial cells are responsible for breaking down organic matter.
   微生物细胞负责分解有机物质。
3. 3. The researchers found that certain bacteria could help to prevent disease.
   研究人员发现某些细菌可以帮助预防疾病。