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单词 蕨类
释义 〔pteridology〕The study of ferns.蕨类植物学:研究蕨类的科学〔tripinnate〕Divided into pinnae that are subdivided into smaller, further subdivided leaflets or lobes, as in many ferns.三回羽状的:二回羽状的又分割成更小的一回羽状的,进一步分割成小叶或裂片,如各种蕨类的叶片〔pteridology〕Greek pteris pterid- [fern] from pteron [feather, wing] * see pet- 希腊语 pteris pterid- [蕨类] 源自 pteron [羽毛,翅膀] * 参见 pet- 〔archegonium〕A multicellular, often flask-shaped, egg-producing organ occurring in mosses, ferns, and most gymnosperms.藏卵器:在苔藓、蕨类及大多数裸子植物中的多细胞的,常为烧瓶状的产生卵子的器官〔rhizoid〕A slender rootlike filament by which mosses, liverworts, and fern gametophytes attach to the substratum and absorb nourishment.假根:一种纤细的似根丝状体,苔藓、地钱及蕨类的配子体通过它附着于基质并吸收营养〔pteridophyte〕Any of various vascular plants that reproduce by means of spores rather than by seeds, including the ferns and related plants, such as club mosses and horsetails.蕨类植物:任一种通过孢子而不是种子繁殖的维管状植物,包括蕨类和相关的植物,如石松和马尾〔pedicel〕A support for a fern sporangium or moss capsule. Also called pedicle 蕨类孢囊或藓蕨果荚的支撑物 也作 pedicle〔fernery〕A place or container in which ferns are grown.蕨类种植处:蕨类植物生长的地方或容器〔prothallus〕A small, flat, delicate structure produced by a germinating spore and bearing sex organs. It is the gametophyte of ferns and some other plants.原叶体:一种由孢子萌发产生的小而平面脆弱的结构,带有生殖器官它是蕨类和其它一些植物的配子体
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