例句與造句

1. The article not only presents the first , second and third elemental form of pseudo sphere , but also the third elemental form of conoid and curve
   摘要不但給出了偽球面的第一基本形式、第二基本形式及第三基本形式，而且給出了一般曲面的第三基本形式。
2. It's difficult to find pseudo sphere in a sentence. 用pseudo sphere造句挺難的