hor propagation

例句：

1. 1. The new drug has been shown to have a rapid propagation in the body.
   这种新药已被证明在体内迅速传播。
2. 2. The scientist explained the process of propagation in detail.
   科学家详细解释了繁殖过程。
3. 3. The company's product is widely used in various fields due to its fast propagation.
   由于其快速传播，该公司的产品在各个领域都得到了广泛应用。