peptide antibiotics

例句：

1. 1.Peptides are a promising class of drugs that can target specific proteins in the body.
   肽是一类有前景的药物，可以针对身体特定蛋白质进行治疗。
2. 2. The discovery of peptide antibiotics has revolutionized the treatment of bacterial infections.
   肽抗生素的发现已经彻底改变了治疗细菌感染的方法。
3. 3. Peptides have shown great potential as antimicrobial agents, but their efficacy and safety need to be further evaluated.
   肽作为抗菌剂显示出巨大的潜力，但其有效性和安全性需要进一步评估。