heptamycin

例句：

1. 1.He was prescribed heptamycin to treat his chronic cough.
   他被开了七环霉素来治疗他的慢性咳嗽。
2. 2. The antibiotic heptamycin is effective against many types of bacteria.
   七环霉素这种抗生素对许多类型的细菌都有效。
3. 3.The patient responded well to the treatment with heptamycin.
   病人对七环霉素的治疗反应良好。