group a streptococcal disease造句

例句与造句

1. In the study, the researchers uncovered 323 cases of invasive group A streptococcal disease among the 10.7 million people living in the province of Ontario, Canada, during 1992 and 1993.
2. It's difficult to find group a streptococcal disease in a sentence. 用group a streptococcal disease造句挺难的