guttae penicillin

例句：

1. 1. The doctor prescribed a course of antibiotics for her.
   医生给她开了一剂抗生素。
2. 2. Guttae penicillin is an effective treatment for many bacterial infections.
   青霉素是一种有效的治疗许多细菌感染的方法。
3. 3. Guttae penicillin has been used to treat tuberculosis for over a century.
   青霉素被用于治疗结核病超过一个世纪了。