fragile fern
英 [ˈfrædʒaɪl fɜːn]
美 [ˈfrædʒl fɜːrn]
网络 骨脆症
英英释义
noun
- delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
Synonym: brittle bladder fernbrittle fernCystopteris fragilis