| 单词 | 裸子植物 |
| 释义 | 〔gymnosperm〕A plant, such as a cycad or conifer, whose seeds are not enclosed within an ovary.裸子植物：一种种子没有被包入子房的植物，比如铁树目和松柏目植物〔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〔cycad〕Any of various palmlike gymnospermous cone-bearing evergreen plants of the division Cycadophyta, native to warm regions and having large pinnately compound leaves.铁树目裸子植物：一种掌状裸子植物的结有球果的常绿植物，是苏铁亚纲植物的，原产于热带地区而且长有较大的羽状复叶〔ephedra〕Any of various gymnospermous, mostly shrubby plants of the genusEphedra, some of which are used as a source of ephedrine. 麻黄植物：主要是指麻黄属 的灌木裸子植物，其中一些被用来提炼麻黄素 |
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