noun 下载 🔗分享 蕨类植物, 蕨。 Any of a group of some twenty thousand species of vascular plants classified in the division Pteridophyta that lack seeds and reproduce by shedding spores to initiate an alternation of generations. Examples : "The garden was shaded by a large fern, its delicate leaves unfurling in the damp air. " 花园里有一棵巨大的蕨类植物遮阴，它那精巧的叶子在潮湿的空气中舒展开来。 plant biology nature environment organism 与AI对话词汇游戏阅读练习
