例句與造句

1. in most modern classifications they are placed in the class psilopsida of the filicinophyta
   在大多數(shù)現(xiàn)代分類系統(tǒng)中，它們被分為真蕨植物門裸蕨植物亞門裸蕨綱。
2. It's difficult to find class psilopsida in a sentence. 用class psilopsida造句挺難的