英语语法分析

Azithromycin and Josamycin are the first drugs for it.

阿奇霉素和交沙霉素为首选药物。

Objective: To explore the therapeutic effects and mechanism of action of josamycin propionate granules on infants with bronchiolitis.

目的：探讨交沙霉素治疗毛细支气管炎的疗效及其作用机制。