初期感染经诊断使用青霉素治疗后可预防风湿热发作。

Penicillin given when the initial infection is diagnosed can prevent it.

youdao

初期感染经诊断使用青霉素治疗后可预防风湿热发作。

Penicillin given when the initial infection is diagnosed can prevent it.

youdao