ways of spreading

• 传播方式

ways of spreading的用法和样例：

例句

1. Plant viruses are transmitted in various ways, most importantly through insect bites, mainly by aphids and plant hoppers.
   植物病毒传播方式有多种，最重要的为透过昆虫叮咬，主要是蚜虫和叶蝉。