slow diffusion的用法和樣例：
例句
- The process of diffusion would often be very slow, depending on climatal and geographical changes, on strange accidents.
分散的過(guò)程很緩慢，這取決于氣候與地理的變遷，取決于意外的偶發(fā)事件。 - 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.
同時(shí)，聯(lián)邦機構的審批流程是如此分散和緩慢，在國家公園或河流上拉一條電線(xiàn)就像橫渡冥河。
