例句與造句

1. His book " Epigenetics " ( 1974 ) was a work on theoretical biology which attempted to present a unifying theory of epigenesis.
2. He returned to physical science, but to the speculative side of it, in his " Considerations sur les corps organis閑s " ( Amsterdam, 1762 ), designed to refute the theory of epigenesis, and to explain and defend the doctrine of pre-existent germs.
3. It's difficult to find theory of epigenesis in a sentence. 用theory of epigenesis造句挺難的