any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
同义词：bristle fern
any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
同义词：film fern
英汉双解大词典
filmy fern
1.
N（名词）
any fern of the family Hymenophyllaceae, growing in humid regions and having thin translucent leaves 瓶蕨