erythromycin

例句：

1. 1.Erythromycin is aneffective antibiotic that can treat many types ofbacterial infections.
   红霉素是一种有效的抗生素，可以治疗多种细菌感染。
2. 2. The doctorprescribed erythromycin for my daughter's ear infection.
   医生给我女儿的耳朵感染开了红霉素。
3. 3. Due toits broad spectrum of activity, erythromycin is often used in combination withother antibiotics.
   由于其广泛的活性谱，红霉素常与其他抗生素一起使用。