nifimycin

例句：

1. 1. This antibiotic is used to treat infections caused by bacteria.
   这种抗生素用于治疗由细菌引起的感染。
2. 2.The patient was given a dose of nifimycin for his urinary tract infection.
   患者接受了一次剂量的尼氟米星治疗他的尿路感染。
3. 3.Due to its broad-spectrum antimicrobial activity, nifimycin is often used as an alternative to penicillin in treating bacterial infections.
   由于其广谱抗菌活性，尼氟米星常被用作青霉素治疗细菌感染的替代药物。