propagate
/ˈprɔpəgeɪt; `prɑpəˌɡet/ v
1 [Tn] increase the number of (plants, animals, etc) by a natural processfrom the parent stock 繁殖（动植物等）; 使增殖
propagate plants from seeds and cuttings 由种子和枝条繁殖植物
propagate plants by taking cuttings 藉插枝繁殖植物.
2 [I, Tn] (of plants) reproduce (themselves) （指植物）繁殖, 繁衍, 增殖
Plants won't propagate in these conditions.植物在这种条件下不能繁殖.
Trees propagate themselves by seeds. 树木靠种子繁衍.
3 [Tn] (fml 文) spread (views, knowledge, beliefs, etc) more widely 传播（观点、 知识、 信仰等）
Missionaries went far afield to propagate their faith. 传教士到远方去传播其信仰.
4 [Tn] (fml 文) cause or allow (sth) to pass through sth; transmit 促使或准许（某物）通过他物; 传导; 传送
propagate vibrations through rock 通过岩石传导震动.