| 释义 |
Christmas fernn.（名词）- A North American evergreen fern(Polystichum acrostichoides) having pinnate leaves and dense clusters of lance-shaped fronds. Also called canker brake ,dagger fern 圣诞耳蕨：一种北美的常绿蕨类植物（圣诞耳蕨 耳蕨属） ，长有羽状叶和矛状复叶的浓密叶簇 也作 canker brake,dagger fern
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