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.
分散的過程很緩慢，這取決於氣候與地理的變遷，取決於意外的偶發事件。 - 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，聯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就像橫渡冥河。
