嘌呤霉素

例句：

1. 1. The drug is effective against many types of bacteria, including those resistant to other antibiotics.
   这种药物对许多类型的细菌有效，包括那些对其他抗生素产生抗性的细菌。
2. 2. In the treatment of tuberculosis, chloramphenicol is often used in combination with other antibiotics.
   在治疗结核病时，氯霉素通常与其他抗生素一起使用。
3. 3. The patient was given a course of antibiotics to treat his infection.
   患者接受了抗生素疗程来治疗他的感染。