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- An enclosing membrane, as that covering the sorus of a fern. 囊群盖一种包裹其它物的膜，如蕨类植物的孢囊群的覆盖膜
- An enclosing membrane,as that covering the sorus of a fern. 囊群盖一种包裹其它物的膜，如蕨类植物的孢囊群的覆盖膜
- An area overgrown with this fern. 欧洲蕨林被这种蕨覆盖的地带
- The trunk of a palm or tree fern. 棕榈树或树蕨的树干
- Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern. 囊群盖：是一种起源于胎座（应为叶表皮译者注）的瓣片状组织，覆盖在蕨类植物孢子囊群中正在发育的孢子囊上。
- Many dropped into the relay station when in twon. 很多人进城时就到广播站来。
- North American fern with a blackish lustrous stipe. 带有光亮叶柄的一种北美蕨类。
- Asiatic fern introduced in America. 亚洲引进的一种美洲蕨类。
- North American fern with evergreen fronds. 长有常绿复叶的北美蕨类。
- Kennicott was cordial to Fern Mulins. 肯尼科特对弗恩马林斯小姐倒是很亲热。
- European shield fern cultivated in many varieties. 养殖品种繁多的一种欧洲盾蕨。
- Eurasian fern with simple lanceolate fronds. 带有披针形复叶的分布于欧亚大陆的一种蕨类。
- Jamaican fern having round buttonlike bulbils. 具有圆形纽扣状珠芽的一种牙买加蕨类。
- Looking out of a wreath of fern and cloud puffs. 打从蕨草和云朵的花环里探出头来。
- A support for a fern sporangium or mosscapsule. 蕨类孢囊或藓蕨果荚的支撑物。
- The bamboo had a different purpose t han the fern. 竹子和羊齿各有不同的作用。
- She cast a sidelong glance at Fern. 她瞟了一眼弗恩。
- It ate fern leaves and pine trees. 它吃蕨类植物的叶子以及松树。
- The fern quickly grew from the earth. 羊齿很快地从地里长出来。
- Fern loved Wilber more than anything. 小法兰爱小威伯更胜任何事.
