diffuse
verb [ I or T ] uk/dɪˈfjuːz/ us/dɪˈfjuːz/
（使）扩散;（使）传播;（使）散布
to (cause something to) spread in many directions
Television is a powerful means of diffusing knowledge. 电视是传播知识的有力工具。
（使气体或液体）弥漫，扩散，渗透
to (cause a gas or liquid to) spread through or into a surrounding substance by mixing with it
Oxygen diffuses from the lungs into the bloodstream. 氧气从肺部渗透到血液之中。
The drop of red dye diffused slowly in the water. 那滴红色染料在水中慢慢扩散开来。
diffuse
adjective uk/dɪˈfjuːs/ us/dɪˈfjuːs/
(SPREAD)
扩散的，弥漫的，分散的
spread out and not directed in one place
a diffuse light 漫射光
The company has become large and diffuse. 公司规模大了，业务范围也更广了。
(NOT CLEAR)
disapproving含混的，费解的，晦涩的
not clear or easy to understand
a diffuse literary style 晦涩的文风