nikkomycin

例句：

1. 1. The antibiotic nikkomycin is effective against many types of bacteria.
   抗生素尼克霉素对许多类型的细菌有效。
2. 2. The patient was given nikkomycin for treatment of his chronic respiratory disease.
   患者被给予尼克霉素治疗其慢性呼吸道疾病。
3. 3. The study found that nikkomycin could effectively prevent the spread of the virus.
   研究发现，尼克霉素能有效预防病毒的传播。