但是此合成路线操作复杂，的翻译：But the operation of complex synthetic routes, 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

This synthetic route is complicated to operate,

But the operation of complex synthetic routes,

But this process of synthesis operation is complex,

However, the synthetic routes operating complex.

But the operation of complex synthetic routes,