gymnosperm中文什么意思

n.
【植物；植物学】裸子植物 (opp. angiosperm)。adj.
-ous ,-y n.

• gymnosperm database:    裸子植物数据库
• gymnosperm; gymnospermae:    裸子植物

例句与用法

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1. Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of queensland .
   本地的裸子植物可进化成能在昆士兰温暖湿润林区的树种。
2. The occurrence of haploid endosperm in the gymnosperms provides a sound basis for further investigations into progenies .
   裸子植物中单倍体胚乳的存在，为进一步对于后代的研究提供良好的基础。
3. Most angiosperm ovules possess two integuments , while gymnosperms usually have only one
   大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
4. Most gymnosperms retain archegonia except for the most advanced genera gnetum and welwitschia
   除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。
5. Antherozoid ( spermatozoid ) the male gamete of algae , some gymnosperms , and the non - seed - bearing plants
   游动精子：藻类，某些裸子植物和没有种子形成的植物中的雄性配子。

英文释义

名词

1. plants of the class Gymnospermae having seeds not enclosed in an ovary