streptomycin B

例句：

1. 1. The antibiotic streptomycin B is effective against many types of bacteria.
   链霉素B对许多类型的细菌有效。
2. 2. This strain of streptomycin B has shown great promise in treating tuberculosis.
   这种链霉素B菌株在治疗结核病方面显示出巨大潜力。
3. 3. Due to its broad spectrum of activity, streptomycin B is often used as a first-line treatment for serious infections.
   由于其广泛的活性，链霉素B经常被用作严重感染的首选治疗药物。