peptimycin

例句：

1. 1. The antibiotic peptimycin is effective against manytypes of bacteria.
   抗生素肽霉素对许多类型的细菌有效。
2. 2. Peptimycin isa powerful tool for fighting infections in thebody.
   肽霉素是对抗体内感染的一种有力工具。
3. 3. Researchers are studying the effects ofpeptimycin on human health.
   研究人员正在研究肽霉素对人类健康的影响。