clubmoss造句

例句与造句

1. Internal fertilization takes place in the seed plants and some clubmosses and ferns , often by means of a pollen tube
   种子植物、某些石松和蕨类植物依赖于花粉管完成体内受精。
2. In the clubmosses and horsetails only one type of strobilus is formed , while in the gymnosperms female megastrobili and male microstrobili both develop
   石松和楔叶类只形成一种类型的球果，然而裸子植物既有雌性的大孢子叶球也有雄性的小孢子叶球。
3. A very small tongue - shaped flap of tissue inserted on the upper surface of the leaves ( microsporophylls ) and sporophylls of certain clubmosses ( e . g . selaginella ) and quillworts ( isoetes )
   某些石松门（如卷柏）和水韭类植物（水韭属）的孢子叶上具有的一种极小的舌状结构， 。
4. Strobilus ( pl . strobili ) a group of sporophylls ( spore - bearing leaves ) arranged around a central axis , found in gymnosperms , lycophyta ( clubmosses ) , and sphenophyta ( horsetails )
   球果：孢子叶向中轴聚拢形成的结构，存在于裸子植物门植物、石松亚门植物（石松）和木贼纲植物中（楔叶类） 。
5. It's difficult to find clubmoss in a sentence. 用clubmoss造句挺难的