ussamycin

例句：

1. 1. This antibioticis effective against many types of bacteria.
   这种抗生素对许多类型的细菌有效。
2. 2. Ussamycin is a commonly used antimicrobial agent.
   乌索米星是一种常用的抗微生物药物。
3. 3. In the treatment ofbacterial infections, ussamycin isoften administered intravenously.
   在治疗细菌感染时，乌索米星通常通过静脉注射给药。