例句與造句

1. Identified by Lewis Henry Morgan in his 1871 work " Systems of Consanguinity and Affinity of the Human Family ", the Crow system is one of the six major types which he described : Sudanese.
2. With the help of local contacts and, after intensive correspondence over the course of years, Morgan analyzed his data and wrote his seminal " Systems of Consanguinity and Affinity of the Human Family " ( 1871 ), which was printed by the Smithsonian Press.
3. It's difficult to find systems of consanguinity and affinity of the human family in a sentence. 用systems of consanguinity and affinity of the human family造句挺難的