procaine penicillin

例句：

1. 1. Procaine penicillin is an effective antibiotic for treating bacterial infections.
   普鲁卡因青霉素是一种有效的抗生素，用于治疗细菌感染。
2. 2.The doctor prescribed procaine penicillin to the patient for his severe allergic reaction.
   医生给患者开了普鲁卡因青霉素，因为他有严重的过敏反应。
3. 3.Procaine penicillin is commonly used in hospitals to treat patients with serious infections.
   普鲁卡因青霉素在医院中常被用来治疗严重感染的患者。