micellae

例句：

1. 1. The bacteria in the soil are essentialfor plant growth.
   土壤中的细菌对植物生长至关重要。
2. 2. The bacterium responsiblefor this disease is resistant to antibiotics.
   这种疾病的细菌对抗生素具有抗药性。
3. 3. The bacterium was foundto be causing the outbreak of food poisoning.
   这种细菌被发现是引发食物中毒的罪魁祸首。