1、Cystic fibrosis is the most common fatal genetic disease in the United States.
囊腫性纖維化在美國是最常見的致命性遺傳疾病。

2、Sarah Murnaghan was diagnosed with cystic fibrosis when she was a baby.
在莎拉·穆娜漢還是個嬰兒的時候被診斷出患有囊性纖維化。

3、Cystic fibrosis is the commonest fatal hereditary disease.
囊性纖維化是最常見的致命性遺傳疾病。

4、Cystic fibrosis causes about half of all bronchiectasis in the United States.
囊性纖維化是美國約一半支氣管擴(kuò)張的原因。