fern

[植] 蕨；[植] 蕨类植物英释中释na type of plant with green leaves shaped like large feathers, but no flowers

1 A ladder fern springs from a crack in the 1979 lava flows from Kilauea Volcano on the Big Island of Hawaii..1979年，夏威夷大岛上蕨类植物生长在基拉韦厄火山所流出的阶梯形的岩浆上。

2 A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious, said the scientists..科学家说，食草恐龙的主要食物大概是楔叶类、类似于蕨类的植物。 这些植物在史前的沼泽地带十分丰富，而且很有营养。