diffuse用作动词的基本意思是“(使)扩散”,指使原本凝聚在一起的东西分散开,或指将某一消息传开,即“(使)传播”; diffuse还可指(将)两种不同的东西“慢慢混合在一起”。可用于被动结构。

用作不及物动词
▲S+～(+A)
A drop of milk diffused in the water.一滴牛奶在水中扩散开来。
Gases and liquids diffused.气体和液体慢慢混合了。
用作及物动词
▲S+～+n./pron.
The sun diffuses light and heat.太阳发出光和热。
Schools and libraries and many television programs diffuse knowledge.学校、图书馆和很多电视节目都传播知识。
◇ 用于be ～ed结构
Knowledge is being diffused.知识在传播。

diffuse, circulate, disseminate, expand, extend, propagate, radiate, spread
参见spread条。

用作定语
▲～+n.
Direct light is better for reading than diffuse light.直射光比漫射光更有利于阅读。
A diffuse book is very tiresome to read.冗长的书读起来令人厌倦。
用作表语
▲S+be+～+that-clause
His talk was so diffuse that I missed his point.他的谈话漫无边际,我抓不住他的要点。