例句與造句

1. these conclusions are expounded on the basis of the peculiarity of cube and regular tetrahedron of dna sequences, so they are rationalization, and they will be very useful in the study of the classification and the evolution of organisms
   它們都是根據(jù)dna序列的立方體和正四面體的性質(zhì)而提出來的，有一定的合理性。本文的結(jié)論對人們研究生物體的分類和進化有著很重要的作用。
2. It's difficult to find regular tetrahedrons in a sentence. 用regular tetrahedrons造句挺難的