slow diffusion

• 缓慢分散

slow diffusion的用法和样例：

例句

1. The process of diffusion would often be very slow, depending on climatal and geographical changes, on strange accidents.
   分散的过程很缓慢，这取决于气候与地理的变迁，取决于意外的偶发事件。
2. The process for seeking approval from federal agencies is so disjointed and slow that pushing a line over a national park or river might as well be crossing the Styx.
   同时，联邦机构的审批流程是如此分散和缓慢，在国家公园或河流上拉一条电线就像横渡冥河。