For example, Pfizer medicine is helping cure people with trachoma in poor countries.
For example, Pfizer medicine is helping cure people with trachoma in poor countries.
例如，辉瑞的一种药物是帮助治疗贫穷国家患颗粒性结膜炎的病人。
For example, Pfizer medicine is helping cure people with trachoma in poor countries.
例如，辉瑞的一种药物是帮助治疗贫穷国家患颗粒性结膜炎的病人。