pactamycin

例句：

1. 1. Pactamycin is an antibiotic that can treat bacterial infections.
   多西环素是一种抗生素，可以治疗细菌感染。
2. 2.The patient was given pactamycin for the treatment of his urinary tract infection.
   患者被给予多西环素治疗他的尿路感染。
3. 3.Due to its effectiveness, pactamycin is often used in veterinary medicine.
   由于其有效性，多西环素在兽医医学中经常使用。