pikromycin

例句：

1. 1. This antibiotic is effective against many types of bacteria.
   这种抗生素对许多类型的细菌都有效。
2. 2. The patient was given a dose of pikromycin to treat his infection.
   病人被给予一剂匹罗米星来治疗他的感染。
3. 3. Pikromycin is commonly used in the treatment of serious bacterial infections.
   匹罗米星常用于严重细菌感染的治疗。