prop·a·ga·tion
noun/ˌprɒpəˈɡeɪʃn/
/ˌprɑːpəˈɡeɪʃn/
[uncountable]- (formal) the act of spreading ideas, beliefs or information among many people
传播；宣传 - the propagation of the Christian gospel
基督教福音的传播
- the propagation of the Christian gospel
- (specialist) the act of producing new plants from a parent plant
繁殖；增殖 - a book on seed propagation of shrubs and trees
一本关于灌木和树木种子繁殖的书
- a book on seed propagation of shrubs and trees