He was devoted to the propagation of true Buddhism.他致力于传播真正的佛教。The most important role of electrogenesis in animals is in the propagation of nerve impulses.动物体内产生电的最主要作用在于传播神经冲动。If a plant has spotted or crinkled leaves, do not use it for propagation.如果植物的叶子有斑点或者萎缩,就不要用来繁殖。