Jeff: I think so but it is a very slow process.
杰夫：我想是吧，不过那是个相当漫长的过程。
Chemical degradation is very slow so that it becomes more concentrated in successive stages of the food chain.
化学的递降分解作用十分缓慢，以致它在食物链的连续各阶段中变得更为浓缩。
So it doesn't matter if the operation is very slow once in a while, as long as "once in a while" is rare enough for the slowness to be diluted away.
所以这个操作偶尔的很慢并不那么重要，只要这个“偶尔”对于被稀释的慢很稀有的就好。
So it doesn't matter if the operation is very slow once in a while, as long as "once in a while" is rare enough for the slowness to be diluted away.
所以这个操作偶尔的很慢并不那么重要，只要这个“偶尔”对于被稀释的慢很稀有的就好。
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