sexual multiplication

例句：

1. 1. The sexual multiplication of the virus has led to aglobal pandemic.
   病毒的性繁殖导致了全球大流行。
2. 2. The study found that sexual multiplicationis a significant factor in disease transmission.
   研究发现，性繁殖是疾病传播的一个显著因素。
3. 3.The researchers are trying to understand how sexualmultiplication affects the spread of diseases.
   研究人员正在尝试理解性繁殖如何影响疾病的传播。