cystic fibrosis /ˈsɪstɪkfaɪˈbroʊsəs/ noun /ˈsɪstɪkfaɪˈbroʊsəs/
noun
Learner's definition of CYSTIC FIBROSIS
[noncount] medical
: a very serious disease that usually appears in young children and that makes it hard to breathe and to digest food properly囊状纤维变性;囊状纤维化