词组短语短語East China Filmy Fern 華東膜蕨Barbate Filmy Fern 英文名filmy fern更多词组英英字典柯林斯英英字典 any fern of the family Hymenophyllaceae, growing in humid regions and having thin translucent leaves filmy fern剑桥字典filmy fern柯林斯字典