由于它们存在的广泛性和难降解性的翻译：Because of their presence of extensive and refractory 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Because they exist in the extensive and refractory nature of

Because of their presence of extensive and refractory

Because they exist universality and difficult degradability

正在翻译，请等待...

Because of their presence of extensive and refractory