接下来是细菌域，细菌作为传染疾病的媒介为人们所熟悉，但是实际上它们对于生态环境至关重要。

Then there are the bacteria—familiar as agents of disease, but actually ecologically crucial.

youdao

接下来是细菌域，细菌作为传染疾病的媒介为人们所熟悉，但是实际上它们对于生态环境至关重要。

Then there are the bacteria—familiar as agents of disease, but actually ecologically crucial.

youdao