但空气中污染物的扩散属各向同性扩散的翻译：But air pollutant dispersion in isotropic diffusion 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

However, the spread of pollutants in the air is isotropic diffusion

But air pollutant dispersion in isotropic diffusion

But in the air the pollutant proliferation is the isotropic proliferation

Proliferation of pollutants in the air but a isotropy proliferation

But air pollutant dispersion in isotropic diffusion